prep U #13: eyes

A nurse shines a light into one eye during ocular exam and the pupil of the other constricts. The nurse interprets this as which of the following?

consensual response

A nurse examines a client's retina during the ophthalmic examination and notices light-colored spots on the retinal background. The nurse should ask the client about a history of what disease process?

diabetes

What muscles control the eye movement and hold the eye in place in the socket?

extraocular

An adult client tells the nurse that her peripheral vision is not what it used to be and she has a blind spot in her left eye. The nurse should refer the client for evaluation of possible

glaucoma

A patient complains of feeling like he is slowly losing his central vision. The nurse knows this symptom could represent

macular degeneration

The nurse observes a young client holding a newspaper up close to read. Which condition does the nurse suspect this client suffers from?

myopia

When performing a client's ophthalmoscopic exam, the nurse observes a round shape with distinct margins. How would the nurse document this finding?

optic disc

The nurse is preparing to examine an adult client's eyes, using a Snellen chart. The nurse should

position the client 609.6 cm (20 ft) away from the chart.

During a health history, a 48-year-old client states, "I've noticed that I need to hold my newspaper farther away so that I can read it." Which of the following would the nurse suspect?

presbyopia

A client visits the local clinic after experiencing head trauma. The client tells the nurse that he has a consistent blind spot in his right eye. The nurse should

refer the client to an opthomolagist

client wants to use beta-carotene supplements to reduce the risk of developing cataracts and age-related macular degeneration. For which reason should the nurse counsel the client to avoid using this supplement?

smokes ciggs may increase the risk of lung cancer in people who smoke.

A patient has conjunctivitis. The nurses understand that conjunctivitis differs from conjunctival hemorrhage in that conjunctivitis

watery, mucoid discharge

Which vision acuity reading indicates blindness?

20/200

A client reports, "There is something in my left eye that is causing me considerable discomfort." What initial step should the nurse take when everting the client's upper eyelid in order to search for the foreign body?

Ask the client to look down toward the left cheek.

Which technique by the nurse demonstrates proper use of the ophthalmoscope?

Asks the client to fix the gaze upon an object and look straight ahead

A client performs the test for distant visual acuity and scores 20/50. How should the nurse most accurately interpret this finding?

At 20 feet from the chart, the client sees what a person with good vision can see at 50 feet

A nurse begins the eye examination on a client who presents to the health care clinic for a routine examination. What is the correct action by the nurse to perform the test for near visual acuity?

Have the client hold the Jaeger card 14 inches from the face and read with one eye at a time

As part of a physical assessment, the nurse performs the confrontation test to assess the client's peripheral vision. Which test result should a nurse recognize as indicating normal peripheral vision for a client using the confrontation test?

The client and the examiner see the examiner's finger at the same time

A client frequently experiences dry, irritated eyes. These findings are consistent with a problem in what part of the eye?

The lacrimal apparatus (which consists of the lacrimal gland, punctum, lacrimal sac, and nasolacrimal duct) protects and lubricates the cornea and conjunctiva by producing and draining tears.

A nurse performs the Snellen test on a client and obtains these results: OD 20/40, OS 20/30. What conclusion can the nurse make in regards to the client's vision based on these results?

The larger the bottom number, the worse the visual acuity

The functional reflex that allows the eyes to focus on near objects is termed

accommodation This is accomplished through movement of the ciliary muscles, causing an increase in the curvature of the lens.