CH 42, Assessment and Concepts of Care for Patients with Eye and Vision Problems

Which refractive error involves overrefracting of light that results in focusing the bent images in front of the retina instead of focusing them onto the retina? A. Myopia B. Hyperopia C. Presbyopia D. Astigmatism

A. Myopia

Which action would the nurse take when caring for a patient who requires cataract surgery in the left eye? A. Obtain informed consent from the patient. B. Ask the patient to take aspirin for 2 weeks before surgery. C. Suggest that the patient stay at the hospital for postoperative care. D. Teach the patient how to perform daily activities with limited vision.

A. Obtain informed consent from the patient.

Which instruction would the nurse include when providing preoperative teaching for a patient who will be undergoing cataract removal? Select all that apply. A. "Bring sunglasses with you on the day of your procedure." B. "You might experience a lot of bruising and swelling around the eye." C. "You will need to wear a patch on your eye for several weeks after the surgery." D. "Several different types of eyedrops are required after surgery, and they have to be taken several times a day for up to 4 weeks." E. "You will receive a medication to help you relax. Then you will receive some different eyedrops to dilate your pupils and paralyze the lens."

A. "Bring sunglasses with you on the day of your procedure." D. "Several different types of eyedrops are required after surgery, and they have to be taken several times a day for up to 4 weeks." E. "You will receive a medication to help you relax. Then you will receive some different eyedrops to dilate your pupils and paralyze the lens."

Which directive would the nurse provide a patient after completing a fluorescein angiography? A. "Drink plenty of fluids." B. "Urine will be bright red for 24 hours." C. "Skin will be stained yellow-green for 24 hours." D. "Avoid going out until skin color is back to normal."

A. "Drink plenty of fluids."

The nurse reviews a patient' s understanding of a keratoplasty procedure. Which statement made by the patient indicates a need for further education? A. "I will be discharged home the next day." B. "The nerves around and behind the eye will be numbed." C. "This procedure involves receiving a cornea from another person." D. "A penetrating keratoplasty may necessitate transplanting the entire depth of cornea."

A. "I will be discharged home the next day."

Which statement by the nurse is true regarding the reason behind the development of dyspnea, cough, and wheezing in a patient being treated with betaxolol hydrochloride for open-angle glaucoma? A. "If the drug is absorbed systemically, it constricts pulmonary smooth muscle and narrows airways." B. "This drug is readily absorbed by conjunctival mucous membranes and can cause systemic side effects." C. "If this drug is similar to sulfonamide, and if the patient is allergic to the sulfonamides, an allergy is likely to occur." D. "This enzyme inhibitor increases blood pressure, as do the adrenergic agonists. When taken together, the patient may experience hypertensive crisis."

A. "If the drug is absorbed systemically, it constricts pulmonary smooth muscle and narrows airways."

The nurse is teaching a group at the senior citizens center about changes that occur with the eyes and vision with aging. Which response by a group member indicates the need for further education? A. "The sclera becomes yellow with age." B. "A reduction in tear production increases the risk for corneal damage." C. "The lens in the eye hardens, compacts, and forms a cataract on aging." D. "The eyes become sunken; however, this should not be used to assess hydration status."

A. "The sclera becomes yellow with age."

Which statement best explains the functions of cones in the eye? Select all that apply. A. "They provide color vision.". B. "They work at low light levels." C. "They provide peripheral vision." D. "They are sensory photoreceptors." E. "They transmit impulses to the optic nerve."

A. "They provide color vision.". D. "They are sensory photoreceptors." E. "They transmit impulses to the optic nerve."

Which instruction would the nurse give to a patient who has undergone keratoplasty surgery? Select all that apply. A. Avoid jogging. B. Wear tight shirt collars. C. Do not lift heavy objects. D. Use an ice pack on the eye. E. Do not bend from the waist. F. Report to the surgeon immediately if there is any excessive bleeding.

A. Avoid jogging. C. Do not lift heavy objects. E. Do not bend from the waist. F. Report to the surgeon immediately if there is any excessive bleeding.

Which information would the nurse include when teaching a patient with a corneal abrasion about the administration of a topical antibiotic? A. Avoid using any makeup near the eye. B. Stop antibiotic therapy when the symptoms subside. C. Wash hands after using eyedrops and after touching the eye. D. You may resume eye makeup use after the symptoms subside.

A. Avoid using any makeup near the eye.

Which activity would the nurse teach a patient with glaucoma to avoid? Select all that apply. A. Bending over to tie shoes B. Sitting with legs elevated C. Blowing the nose frequently D. Sleeping on more than two pillows E. Lifting objects weighing more than 10 pounds

A. Bending over to tie shoes C. Blowing the nose frequently E. Lifting objects weighing more than 10 pounds

Which clinical manifestation is an indication of graft rejection in a patient who has had a corneal transplant? A. Cloudy cornea B. Excessive tears C. Clear fluid discharge D. Excessive bleeding

A. Cloudy cornea

Which information would the occupational nurse include when educating a group of machine operators about ophthalmic risk factors? A. Eye injury B. Eye strain C. Cataracts D. Photophobia

A. Eye injury

Which food would the nurse recommend to a patient experiencing visual problems? Select all that apply. A. Fruits B. Milk and eggs C. Dark-green vegetables D. Vitamin D supplements E. Lutein and beta carotene

A. Fruits C. Dark-green vegetables E. Lutein and beta carotene

Which factor is the primary cause of glaucoma in a patient? A. Heredity B. Diabetes C. Hypertension D. Neovascular disorders

A. Heredity

Which postoperative instruction would the nurse provide to a patient who has undergone cataract surgery? Select all that apply. A. How to instill eyedrops B. How to apply an eye patch C. How to apply warm compresses D. Importance of reporting any mild itching E. Importance of wearing dark glasses outdoors

A. How to instill eyedrops E. Importance of wearing dark glasses outdoors

Which condition is observed in a patient with cataracts? A. Increase in lens density B. Decrease in aqueous humor C. Increase in intraocular pressure D. Increase of water content in lens

A. Increase in lens density

Which information would the nurse include when teaching a patient about the administration of anti-infective eyedrops for treatment of a corneal abrasion? Select all that apply. A. Instill the drug exactly as prescribed. B. Refrigerate the drug and protect it from light. C. Shake the bottle vigorously before each use. D. Avoid wearing soft contact lenses while taking the drug. E. Clean the exudate from the eyes before using the eyedrops.

A. Instill the drug exactly as prescribed. E. Clean the exudate from the eyes before using the eyedrops.

Which drug is a prostaglandin agonist used to manage glaucoma? A. Latanoprost B. Levobunolol C. Apraclonidine D. Echothiophate

A. Latanoprost

Which postoperative instruction would the nurse provide to a patient who has undergone a keratoplasty? Select all that apply. A. Lie on the nonoperative side. B. Visit the surgeon after 1 week. C. Use an ice pack on the eye to keep it cool. D. Avoid jogging and dancing for several weeks. E. "Report any bleeding or leakage from the eye."

A. Lie on the nonoperative side. D. Avoid jogging and dancing for several weeks. E. "Report any bleeding or leakage from the eye."

Which patient would the nurse identify as requiring special protective eyewear? Select all that apply. A. Lifeguard B. Cab driver C. College student D. Registered nurse (RN) E. Racquetball player

A. Lifeguard E. Racquetball player

With which intervention would the nurse assist the health care provider during the preoperative teaching session for a patient who plans to undergo cataract surgery? Select all that apply. A. Obtain informed consent from the patient. B. Inform the patient that general anesthesia will be used. C. Explain to the patient that surgery is the only cure for cataracts. D. Suggest that the patient stay at the hospital for postoperative care. E. Teach the patient about the nature of cataracts and their progression

A. Obtain informed consent from the patient. C. Explain to the patient that surgery is the only cure for cataracts. E. Teach the patient about the nature of cataracts and their progression

A patient is prescribed an ocular irrigation after an accidental splash of a chemical in the laboratory. Which action would the nurse take? A. Place a strip of pH paper in the cul-de-sac of the affected eye. B. Direct flow of normal saline from the outer edge of the eye toward the inner side. C. Position the patient at a 30-degree angle with the head turned toward the affected side. D. Ask the patient to read a name tag or to count fingers to test visual acuity after treatment.

A. Place a strip of pH paper in the cul-de-sac of the affected eye.

Before examining the eye of a patient with purulent drainage in the inner canthus of the eye, which action would the nurse implement first? A. Put on gloves. B. Instill antibiotic drops. C. Administer a Snellen test. D. Obtain informed consent.

A. Put on gloves.

Which information would the nurse provide to a patient who is scheduled for a corneal staining test? Select all that apply. A. The eye is viewed through a blue filter. B. It magnifies the anterior structures of the eye. C. A topical dye is placed into the conjunctival sac. D. It locates abnormalities in the anterior vitreous humor. E. Nonintact areas of the eye will stain a bright-green color.

A. The eye is viewed through a blue filter. C. A topical dye is placed into the conjunctival sac. E. Nonintact areas of the eye will stain a bright-green color.

Which information would the nurse provide to a patient scheduled for a fluorescein angiography? A. The patient will have to sign an informed consent form. B. The patient will receive 10 mL of a 5% solution of fluorescein by IV. C. Mydriatic eyedrops will be instilled in the eye half an hour before the test. D. Retinal and choroidal blood vessels are photographed after the dye passes through them.

A. The patient will have to sign an informed consent form.

Which diagnostic test would be performed before scheduling surgery for the removal of cataracts? A. Ultrasonography B. Radioisotope scanning C. CT D. MRI

A. Ultrasonography

The potential occurrence of which side effect would the nurse include when teaching a patient diagnosed with diabetes and hypertension? A. Vision loss B. Presbyopia C. Arcus senilis D. Relaxation of the lower eyelids

A. Vision loss

A patient reports "something scratching on the inside of my eyelid." Before examining the eyelid, which action would the nurse take next? A. Wash the hands. B. Wear sterile gloves. C. Administer a Snellen test. D. Obtain informed consent.

A. Wash the hands.

Which assessment finding warrants further investigation by the nurse in the ophthalmology clinic? A. When assessing the cornea, the nurse notes cloudiness, and the patient reports pain when the ophthalmoscope light shines into the pupil. B. Snellen eye examination result is 20/50 for a patient who normally wears corrective lenses but does not have them at the time of the examination. C. When six cardinal positions of gaze of the left eye are assessed, the patient exhibits nystagmus when looking to the left lower and upper fields. D. The pupil exhibits miosis when exposed to light from the ophthalmoscope during examination and mydriasis when the light is removed from the pupil.

A. When assessing the cornea, the nurse notes cloudiness, and the patient reports pain when the ophthalmoscope light shines into the pupil.

The nurse is teaching a patient about the causes of decreased visual acuity. Which statement by the patient indicates a need for further teaching? A. "Reduced vision may affect any or all aspects of vision." B. "Central vision can be impaired by the presence of glaucoma." C. "The best visual acuity with corrective lenses in a legally blind person is 20/200 or less." D. "The widest diameter of the visual field in a legally blind person is no greater than 20 degrees."

B. "Central vision can be impaired by the presence of glaucoma."

A patient scheduled for an electroretinography asks the nurse why the test is necessary. Which response would the nurse provide? A. "This test will detect whether you are experiencing optic nerve changes." B. "This test will detect whether you are experiencing blood vessel changes." C. "This test is used to differentiate open-angle from closed-angle glaucoma." D. "This test will determine whether you are experiencing a disturbance in your peripheral vision."

B. "This test will detect whether you are experiencing blood vessel changes."

Which statement regarding tonometry is correct? A. "The tonometer applies pressure to the inside of the eye." B. "Tonometry measures intraocular pressure (IOP) using a tonometer." C. "A person with a thicker cornea will have low tonometer reading." D. "Readings are more accurate in the morning because intraocular pressure is lower."

B. "Tonometry measures intraocular pressure (IOP) using a tonometer."

Which patient is most in need of immediate examination by an ophthalmologist? A. 76-year-old with seborrhea of the eyebrows and eyelids who reports burning and itching of the eyes B. 40-year-old with glasses and a reddened sclera who reports brow pain, headache, and seeing colored halos around lights C. 58-year-old with glasses who reports an inability to see colors well and is feeling as though his or her glasses are always smudged D. 39-year-old with contacts who reports an inability to tolerate bright lights and has visible purulent drainage on eyelids and eyelashes

B. 40-year-old with glasses and a reddened sclera who reports brow pain, headache, and seeing colored halos around lights

Which action would the nurse take when caring for a patient who is undergoing radioisotope scanning? Select all that apply. A. Instill anesthetic drops in the lower eyelid. B. Administer a tracer dose of radioactive isotope. C. Ask the patient to first sign the informed consent form. D. Ask the patient to breathe normally during the procedure. E. Ask the patient to sit upright with the chin in the chin rest.

B. Administer a tracer dose of radioactive isotope. C. Ask the patient to first sign the informed consent form. D. Ask the patient to breathe normally during the procedure.

Which directive would the nurse provide to a patient who has a left eye infection? A. Wash the left eye first followed by the right eye. B. Avoid touching the eyedrop bottle to any part of the eye. C. Apply an eyedrop first to the left eye, then to the right eye. D. Clean the tip of the eyedrop bottle before sharing it with others.

B. Avoid touching the eyedrop bottle to any part of the eye.

Which visual change would the nurse assess for in older patients? Select all that apply. A. Pruritus B. Cataracts C. Glaucoma D. Presbyopia E. Retinal detachment

B. Cataracts C. Glaucoma D. Presbyopia

Which instruction would the nurse include when teaching a patient with diabetes about the administration of levobunolol for treatment of glaucoma? A. Avoid dark areas. B. Check blood glucose levels more often. D. Report any increased salivation or drooling. D. Put in contact lenses 15 minutes after administering the drug.

B. Check blood glucose levels more often.

Which information would the nurse include when teaching a patient about the administration of an antibacterial eyedrop for the treatment of an eye infection? Select all that apply. A. Shake the bottle vigorously before use. B. Complete the prescribed drug regimen. C. Refrigerate the drug and protect it from light. D. Apply exactly at the time interval prescribed. E. Clean exudate from the eyes before using the medication.

B. Complete the prescribed drug regimen. D. Apply exactly at the time interval prescribed. E. Clean exudate from the eyes before using the medication.

Which information would the nurse provide to a patient with a history of hypertension and diabetes regarding eye care? A. Check for refractive errors every year. B. Follow up yearly with an ophthalmologist. C. Schedule an eye examination every 2 years. D. Have an eye examination every 3 to 5 years.

B. Follow up yearly with an ophthalmologist.

A patient has sustained damage to cranial nerve (CN) II after a traumatic injury. Which intervention would the nurse anticipate to accommodate for this injury? A. Using artificial tears B. Identifying food on the patient's plate using the clock method C. Assessing the eye daily using the six cardinal positions of gaze D. Ensuring that the patient wears sunglasses when the curtains are open

B. Identifying food on the patient's plate using the clock method

Which information would the nurse include when teaching a patient about the development of arcus senilis? Select all that apply. A. It affects night visibility. B. It does not affect vision. C. It is caused by fat deposits. D. It is an age-related disorder. E. It leads to dry-eye symptoms.

B. It does not affect vision. C. It is caused by fat deposits. D. It is an age-related disorder.

Which information would the nurse include when teaching a patient about visual changes that occur with age? A. Most visual changes occur before age 40. B. It may take your eyes longer to adjust in a darkened room. C. You probably will have to move reading materials closer to your eyes. D. When the sclera starts to turn yellow, this means you might have problems with your liver.

B. It may take your eyes longer to adjust in a darkened room.

Which action would the nurse implement immediately for a patient who presents with heavy tearing and blurry vision after scratching an eye with a mascara brush? A. Administer topical steroids. B. Obtain cultures from a swab of the ulcer. C. Perform irrigation with normal saline. D. Administer a broad-spectrum antibiotic.

B. Obtain cultures from a swab of the ulcer.

Which intervention would the nurse incorporate into the plan of care for a bedridden patient with reduced vision? Select all that apply. A. Speak in a loud, clear voice. B. Orient the patient to the room surroundings and equipment. C. Announce name and purpose when entering the patient's room. D. Explain food positions on the tray using a clock face as the example. E. Orient the patient to the location of the call light and keep it in that place

B. Orient the patient to the room surroundings and equipment. C. Announce name and purpose when entering the patient's room. D. Explain food positions on the tray using a clock face as the example. E. Orient the patient to the location of the call light and keep it in that place

Which finding would the nurse consider abnormal when assessing a patient's pupils? A. Pupils are round in shape. B. Pupils are different in size. C. Diameter of each pupil is 3.5 mm. D. Pupils constrict with increased light.

B. Pupils are different in size.

Which occurrence is a common cause of associated glaucoma? Select all that apply. A. Eye surgery B. Severe myopia C. Retinal detachment D. Degenerative disease E. Neovascular disorders

B. Severe myopia C. Retinal detachment

Which information would the nurse include when teaching a patient about the administration of dorzolamide? A. Keep the bottle tightly closed. B. Shake the bottle vigorously before use. C. Refrigerate the drug and protect it from light. D. Refrain from wearing soft contact lenses during therapy with this drug

B. Shake the bottle vigorously before use.

Which test would the nurse perform on a patient who reports difficulty reading traffic signs when driving? A. Ishihara chart B. Snellen chart C. Confrontation test D. Rosenbaum Pocket Vision Screener or a Jaeger card

B. Snellen chart

Which information would the nurse include in the preoperative instructions for a patient scheduled for corneal implant surgery because of keratoconus? Select all that apply. A. Visual improvement will occur over time. B. The risk for corneal clouding or scarring is low. C. The procedure is performed under general anesthesia. D. Overcorrection or undercorrection of refraction is possible. E. A flexible corneal ring will be placed in the outer edges of the cornea.

B. The risk for corneal clouding or scarring is low. D. Overcorrection or undercorrection of refraction is possible. E. A flexible corneal ring will be placed in the outer edges of the cornea.

Which directive would the nurse provide a patient when teaching about the prevention of cataracts? Select all that apply. A. Avoid rubbing your eyes. B. Use sunglasses whenever you go outdoors. C. Wash your hands before touching your eyes. D. Be sure to wear eye and head protection gear. E. Use ultraviolet (UV) protection in tanning salons

B. Use sunglasses whenever you go outdoors. D. Be sure to wear eye and head protection gear. E. Use ultraviolet (UV) protection in tanning salons

Which instruction would the nurse include when teaching a patient about the administration of a topical anesthetic to reduce eye inflammation? A. "Check the eye periodically for any signs of bleeding." B. "Check the cornea periodically for any signs of ulcers." C. "Do not rub the eye after administration of the medication." D. "Do not wear contact lenses during administration of anesthesia."

C. "Do not rub the eye after administration of the medication."

A patient has a bilateral corneal disorder and must instill anti-infective eyedrops every hour for the first 24 hours. Which comment by the patient indicates a need for further instruction by the nurse? A. "I must apply the drops throughout the night." B. "I won't be able to wear my contacts for a while." C. "I have two bottles of eyedrops because I will require a lot of medication." D. "I must wash my hands before and between eye applications and after putting the drops in."

C. "I have two bottles of eyedrops because I will require a lot of medication."

The nurse is teaching a patient about eyedrop use in the management of open-angle glaucoma. Which statement by the patient indicates a need for further instruction? A. "It is important not to skip a dose." B. "These eyedrops will not cure my glaucoma." C. "I must press on the inside of my eye to prevent washout." D. "I must wait 10 to 15 minutes between different eyedrop medications."

C. "I must press on the inside of my eye to prevent washout."

The nurse is teaching a patient about ultrasonography of the eye. Which statement by the patient indicates a need for further instruction? A. "I will be awake during this test." B. "I won't hear the high-frequency sound waves." C. "I'll have to wear a bandage over my eye after the test." D. "This test will help determine whether my retina is detached."

C. "I'll have to wear a bandage over my eye after the test."

The nurse is teaching a group of parents about the importance of washing hands before touching the eye. Which statement made by a parent indicates that teaching was effective? A. "The surface of the eye is sterile." B. "The surface of the eye is very delicate." C. "Immunities in the blood do not reach the cornea." D. "The sclera and cornea have a separate blood supply."

C. "Immunities in the blood do not reach the cornea."

Which statement about laser in situ keratomileusis (LASIK) surgery is correct? A. "It corrects only nearsightedness." B. "It reshapes the superficial corneal layers." C. "It improves vision within an hour after surgery." D. "It is performed on patients with unstable refractive errors."

C. "It improves vision within an hour after surgery."

The mother of a child diagnosed with myopia asks the nurse what the diagnosis means. Which response would the nurse provide? A. "Your child is color blind." B. "Your child has perfect vision." C. "Your child is nearsighted and will require glasses." D. "Your child is farsighted and will require glasses for reading."

C. "Your child is nearsighted and will require glasses."

Which information would the nurse include when teaching a patient about the need for a prescription for eyeglasses with concave lenses? A. "Your vision beyond 20 feet is normal, but near vision is poor." B. "Your eye can't refract enough light, and the images fall behind the retina." C. "Your eye overbends the light, and the images converge in front of your retina." D. "There is a refractive error caused by unevenly curved surfaces on your cornea.

C. "Your eye overbends the light, and the images converge in front of your retina."

Which action would the nurse take before the administration of brinzolamide eyedrops? Select all that apply. A. Ask whether the patient is taking phenelzine. B. Tell the patient to use good light when reading. C. Ask whether the patient has any allergy to sulfonamides. D. Teach the patient to shake the bottle properly before use. E. Teach the patient to report increased salivation or drooling.

C. Ask whether the patient has any allergy to sulfonamides. D. Teach the patient to shake the bottle properly before use.

A patient has a corneal abrasion in the right eye. Which information would the nurse include when providing instructions on eye care? A. Be sure to apply eyedrops to both eyes. B. Label the eyedrop bottles "left" and "right." C. Avoid the use of contact lenses during the therapy. D. Seal the open containers of contact lens solutions for later use.

C. Avoid the use of contact lenses during the therapy.

Which nursing intervention would best facilitate independent self-care for a patient with new-onset diminished vision? A. Teach braille. B. Keep the floor free of clutter. C. Build on the remaining vision. D. Suggest a seeing-eye animal companion.

C. Build on the remaining vision.

Which instruction would the nurse include when teaching a patient about the administration of bimatoprost for management of glaucoma in the left eye? A. Instill the eyedrops to both eyes. B. Report if any change in eye color is noticed. C. Check the cornea for signs of abrasions or trauma. D. Report if the eyelashes fall out while using the drug

C. Check the cornea for signs of abrasions or trauma.

Patients with a family history of which eye disorder may have problems with increased intraocular pressure (IOP), requiring additional assessment? A. Cataracts B. Anisocoria C. Glaucoma D. Diabetic retinopathy

C. Glaucoma

Which explanation best describes emmetropia? A. Near vision is poor. B. Distance vision is poor. C. Inverted images fall on the retina. D. Images converge behind the retina.

C. Inverted images fall on the retina.

Which term is used to describe an eye wound caused by sharp objects and projectiles? A. Hyphema B. Melanoma C. Laceration D. Contusion

C. Laceration

Which drug is appropriate for a patient with glaucoma? A. Trifluridine B. Bromfenac C. Latanoprost D. Sulfisoxazole

C. Latanoprost

Which test is used to view the internal and external structure of a patient's eyes? A. Perimetry B. Gonioscopy C. Ophthalmoscopy D. Electroretinography

C. Ophthalmoscopy

Which technique would the nurse use for eyedrop instillation? A. Touching the bottle tip to the eyeball B. Instilling the drops into the inner canthus C. Placing the eyedrop in the lower lid pocket D. Opening the eye by raising the upper eyelid

C. Placing the eyedrop in the lower lid pocket

Which instruction would the nurse provide to an older-adult patient who reports an inability to maintain an upward gaze? A. Use saline eyedrops. B. Wear corrective lenses. C. Refocus your gaze frequently. D. Ensure that you have good lighting.

C. Refocus your gaze frequently.

Which instruction would the nurse include when teaching a patient about using antibiotic eyedrops to prevent re-infection? A. The proper storage of the drug B. How to clean exudate from the eyes before using the drops C. The importance of not wearing contact lenses during the period of drug usage D. The importance of continuing to administer the drops until the symptoms go away

C. The importance of not wearing contact lenses during the period of drug usage

Which occurrence would the nurse suspect with the absence of a red reflex noted during an ophthalmoscopy examination? A. The cornea is thicker than normal. B. The surface of the cornea is uneven. C. The lens is opaque or the vitreous is cloudy. D. There are fat deposits within the outer edge of the cornea.

C. The lens is opaque or the vitreous is cloudy.

Which visual physiologic change can happen as a result of uncontrolled hypertension? A. The lens loses its transparency. B. The eye does not refract enough light. C. The patient is at risk for loss of vision. D. The lens loses its ability to transmit light.

C. The patient is at risk for loss of vision.

An electroretinography would be administered for which purpose? A. To screen the peripheral visual field B. To assess thickness and contours of the optic nerve C. To detect blood vessel changes from drugs or disease D. To assess retina changes caused by high intraocular pressure (IOP)

C. To detect blood vessel changes from drugs or disease

Which information would a gonioscopy test reveal? A. Presence of infection B. Trauma to the cornea C. Type of glaucoma present D. Presence of refractive errors

C. Type of glaucoma present

Which instruction would the nurse include when teaching postoperative care to a patient who has undergone keratoplasty? A. Resume gentle exercise in a week. B. Use an ice pack once a day over the eye. C. Wear a shield at night for the first month after surgery. D. Heavy machinery may be operated at work in 2 weeks.

C. Wear a shield at night for the first month after surgery.

Which action would the nurse take when administering anesthetic eyedrops before an ultrasound examination of a patient's eye? A. Have the patient stand up. B. Ask the patient to tilt the head forward. C. Clean the tip of the eyedrop bottle with a cotton swab. D. Gently press and hold the corner of the eye nearest the nose.

D. Gently press and hold the corner of the eye nearest the nose.

The nurse is providing postoperative teaching to a patient who will be returning home after cataract surgery with a patch over the affected eye. Which statement by the patient's spouse indicates a need for further instruction on providing a safe home environment? A. "I will place a nonskid mat in the bathtub." B. "I will get some books on tape for entertainment." C. "I will be sure to pick up all clutter and loose carpets from the floor." D. "I will rearrange the furniture for better flow before my spouse gets home."

D. "I will rearrange the furniture for better flow before my spouse gets home."

The nurse is providing postoperative teaching to a patient who underwent keratoplasty. Which statement made by the patient indicates the need for further teaching? A. "I will avoid lifting heavy weights." B. "It is okay to perform activities such as cooking." C. "I will avoid driving for a few weeks after the surgery." D. "It is okay to perform simple exercises such as jogging

D. "It is okay to perform simple exercises such as jogging

An older-adult patient expresses concern about the ability to instill overthe-counter eyedrops, saying, "My vision is getting so bad, I can 't even see my own eyes." Which response would the nurse provide? A. "Getting old isn't fun, is it?" B. "Don't worry about the eyedrops." C. "Can your daughter help you do it?" D. "Let's find a way that will work for you."

D. "Let's find a way that will work for you."

The nurse is evaluating the pupils of a patient for reaction speed. Which statement describes what the nurse would document if the response is sluggish? A. "Pupil does not constrict." B. "Pupil constricts immediately." C. "Pupil constricts within 1 second." D. "Pupil constricts after 1.5 seconds."

D. "Pupil constricts after 1.5 seconds."

When performing an eye or vision assessment, which comment by the patient alerts the nurse that immediate care by an ophthalmologist is needed? A. "My eyes are red and itchy." B. "One eye is green and the other eye is blue." C. "My vision has been getting worse gradually." D. "Something hit my eye while I was cutting grass."

D. "Something hit my eye while I was cutting grass."

The nurse is teaching a patient with glaucoma about the administration of bimatoprost eyedrops. Which statement made by the patient indicates a need for further education? A. "I should check my eye for corneal abrasions." B. "I should not use more eyedrops than prescribed." C. "I should use the eyedrops only in the affected eye." D. "This drug will have no effect on the appearance of my eyes."

D. "This drug will have no effect on the appearance of my eyes."

Which information would the nurse provide when preparing a patient for a fluorescein angiography? A. The stain is eliminated through sweat. B. The skin may appear yellow for an hour after the test. C. Mydriatic eyedrops are instilled 30 minutes before the test. D. A digital camera photographs retinal and choroidal blood vessels.

D. A digital camera photographs retinal and choroidal blood vessels

Which eye function allows a patient to focus sharply on near and distant images? A. Miosis B. Mydriasis C. Convergence D. Accommodation

D. Accommodation

Which refractive error occurs when the curve of the cornea is uneven? A. Myopia B. Hyperopia C. Presbyopia D. Astigmatism

D. Astigmatism

Which action would the nurse take to assess the blink reflex of a patient? A. Shine a penlight into the eye. B. Decrease the light in the room. C. Move a finger toward the patient's nose. D. Brings a hand quickly toward the patient's face.

D. Brings a hand quickly toward the patient's face.

Which eye condition may be caused by a small foreign body, eye trauma, or a contact lens? A. Trachoma B. Chalazion C. Conjunctivitis D. Corneal abrasion

D. Corneal abrasion

Which eye procedure requires informed consent from the patient? A. Snellen test B. Ophthalmoscopy C. Eyedrop instillation D. Fluorescein angiography

D. Fluorescein angiography

Which equipment would the nurse use to test the color vision of a patient? A. Slit-lamp B. Jaeger card C. Snellen chart D. Ishihara chart

D. Ishihara chart

The health care provider prescribes ocular irrigation for a patient to remove cement dust from the eyes. Which action would the nurse take when performing the procedure? A. Irrigate one eye at a time. B. Evaluate the patient's visual acuity after the treatment. C. Direct the flow of normal saline from the outer edge of the eye toward the inner side. D. Keep the patient in a supine position with the head turned toward the affected eye

D. Keep the patient in a supine position with the head turned toward the affected eye

A patient reports pain and suspects that there is a shard of metal in the eye after a welding accident. Which diagnostic test ordered by the health care provider would the nurse question? A. Corneal staining B. Ophthalmoscopy C. Slit-lamp examination D. MRI

D. MRI

Which diagnostic procedure is contraindicated for a patient who has sustained a penetrating eye injury? A. X-rays B. Ultrasonography C. CT D. MRI

D. MRI

A patient with visual limitations has been admitted to the ICU. Which action would be the most important to implement? A. Keep the patient bedridden for safety. B. Address the patient in a loud, clear voice. C. Allow the patient's seeing-eye dog in the unit. D. Make all health care team members aware of the patient's visual limitations.

D. Make all health care team members aware of the patient's visual limitations.

Which corrective equipment would the nurse expect to see a patient with emmetropia wearing? A. Contact lenses B. Reading glasses C. Bilateral eye patches D. None; this is normal

D. None; this is normal

Which instruction would the nurse include when teaching a patient newly diagnosed with presbyopia? A. Increase the humidity in your home. B. Use saline eyedrops on a regular schedule. C. Use more light to distinguish between colors. D. Place reading material farther away from your eyes.

D. Place reading material farther away from your eyes.

Which clinical manifestation in a patient who has just undergone cataract surgery prompts the nurse to notify the primary health care provider immediately? A. Photophobia B. Excessive tears C. Irritation and redness in the eye D. Reappearance of bloodshot sclera

D. Reappearance of bloodshot sclera

Which sign or symptom would the nurse instruct a patient to report to the health care provider after undergoing cataract surgery? A. Swollen eyelid B. Itching of the eye C. Increased tearing D. Reduction in vision

D. Reduction in vision

Which action would the nurse implement immediately for a patient who presents with a long piece of metal penetrating the eye? A. Carefully remove the object. B. Prepare the patient for an MRI. C. Administer IV broad-spectrum antibiotics. D. Stabilize the object until the health care provider arrives.

D. Stabilize the object until the health care provider arrives.

Which eye assessment finding would the nurse document as abnormal? A. Upper eyelid covers a small portion of the iris. B. The sclera appears yellow with pigmented dots. C. The cornea is transparent, smooth, shiny, and bright. D. The lower eyelid is relaxed and falls away from the eye.

D. The lower eyelid is relaxed and falls away from the eye.