NP1 Unit 4 test

What is the main cause of cataract formation?

A cataract is a lens that has lost its transparency. The lens is normally transparent and bends the rays of light entering through the pupil so that they focus properly on the retina.

Which assessment finding describes ptosis?

Drooping of the eyelids is known as ptosis.

Astigmatism

is a refractive error caused by unevenly curved surfaces on or in the eye, especially of the cornea. These uneven surfaces distort vision.

Anisocoria is??

a condition in which there is a noticeable difference in the size of the pupils. Normally, both pupils are round and equal in size. The diameter of a normal pupil is between 3 and 5 mm.

Snellen chart

assesses the client's distance vision, which is the type of vision used while driving.