Clues from Visual Acuity Results

Question 1

poor near vision only

Answer 1

presbyopia

hyperopia

Question 2

poor distant vision only

Answer 2

myopia

Question 3

poor distant and near vision

Answer 3

hyperopia
astigmatism
high myopia

Question 4

consistently misses optotypes on part of the eye chart

Answer 4

visual field defect

retinal detachment

Question 5

central area of chart is blocked out

Answer 5

macula disorder
large floater
posterior subcapsular cataract

Question 6

abnormal head posture

Answer 6

astigmatism
extraoccular muscle imbalance
nystagmus (repetative uncontrolled movement)

Question 7

in child, refusal to have one eye occulated

Answer 7

ambloyopia

anisometropia (unequal refraction in both eyes)

Question 8

optotypes are jumbled/distorted/broken

Answer 8

astigmatism

macular degeneration

Question 9

optotypes are dancing/moving

Answer 9

macular disorders
nystagmus (repetive, ucnontrolled movement)
floaters (deposit in vitreous)

Question 10

optotypes are doubes

Answer 10

extraocular muscle imbalance