Visual Function Tests Flashcards Preview

Reduction Of Risk Potential > Visual Function Tests > Flashcards

Flashcards in Visual Function Tests Deck (3):


Intraocular pressur. Registers degree of indentation of cornea. Pressured increased in glaucoma. Client will be in recumbent position.

Advise not to squint, cough, or hold breath during procedure.


Visual fields

Range of vision.
Client is asked to fix eyes on a point on a chart. Instructed to indicate when patient 1st sees pointer. Repeated around 360 degrees of a circle.


Snellen test

Visual acuity. Patient stands 20 feet from chart of letters. One eye is covered at a time. Indicates comparison of distance at which the patient reads to what normal eye sees at 20 feet.