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Understanding Vision Disorders: Acuity, Hemianopsia, Hyperopia, Myopia, Anisometropia, Quizzes of Biology

Definitions and explanations of various vision disorders, including decrease in visual acuity, binasal hemianopsia, hyperopia, myopia, and anisometropia. It covers the causes, symptoms, and treatments of each condition. Students studying optometry, ophthalmology, or vision science may find this document useful.

Typology: Quizzes

2010/2011

Uploaded on 02/08/2011

lrasmussen
lrasmussen 🇺🇸

4 documents

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TERM 1
decrease in visual acuity
DEFINITION 1
lesion in front of optic chiasm
TERM 2
binasal
hemianopsia
DEFINITION 2
carotid artery calcification plus aneurysm
TERM 3
hyperopia
DEFINITION 3
Hyperopia, also known as farsightedne ss, longsightedness or
hypermetropia, is a defect of vision ca used by an imperfection in
the eye (often when the eyeball is t oo short or the lens cannot
become round enough), causing diffic ulty focusing on near
objects, and in extreme cases causin g a sufferer to be unable to
focus on objects at any distance. -complain of eye strain or
headaches as ciliary muscles are att empting to maintain
accommodation -give lenses w/ posit ive diopter/ convex/
converging lens to correct
TERM 4
myopia
DEFINITION 4
Definition
TERM 5
Different refractive errors in both
eyes
DEFINITION 5
Anisometropia
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TERM 1

decrease in visual acuity

DEFINITION 1

lesion in front of optic chiasm

TERM 2

binasal

hemianopsia

DEFINITION 2

carotid artery calcification plus aneurysm

TERM 3

hyperopia

DEFINITION 3

Hyperopia, also known as farsightedness, longsightedness or

hypermetropia, is a defect of vision caused by an imperfection in

the eye (often when the eyeball is too short or the lens cannot

become round enough), causing difficulty focusing on near

objects, and in extreme cases causing a sufferer to be unable to

focus on objects at any distance. -complain of eye strain or

headaches as ciliary muscles are attempting to maintain

accommodation -give lenses w/ positive diopter/ convex/

converging lens to correct

TERM 4

myopia

DEFINITION 4

Definition

TERM 5

Different refractive errors in both

eyes

DEFINITION 5

Anisometropia

TERM 6

patient comes in an says "now I can read up

close again"... what does this indicate?

DEFINITION 6

Nuclear cataracts