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8 Cards in this Set

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  • Back
List at least 3 factors contributing to vision loss.
-Age
-Occupation
-Family History
-Nutrition (ie vitamin deficiencies)
-Meds
Identify at least 3 signs that indicate vision loss.
-Squinting (myopia)
-Tilting head (double vision)
-Holding reading material at arm's length (Presbyopia/Hyperopia)
Myopia
Near-sightedness
-Light foucuses in front of the retina
Hyperopia
Far-sightedness
-Light focuses behind the retina
Presbyopia
Hyperopia resulting from aging-related loss of lens elasticity
Astigmatism
Irregular curvature of the cornea
-Causes blurred vision & discomfort during close eye work
What is the major diagnostic test for the assessment of vision?
Snellen chart or "eye chart"
Discuss the use of glasses/contacts for vision correction.
Concave/minus lens are prescribed for myopia (near-sightedness)

Convex/plus lens are prescribed for hyperopia/presbyopia (far-sightedness)