vision

Question 1

nystagmus

Answer 1

• involuntary movement of the eyeballs in an
  up/down, back/forth motion
• interferes with head
  control

Question 2

Visual perception

Answer 2

Able to see & interpret (analyze & give meaning to) visual information around us

Question 3

Visual acuity

Answer 3

Sharpness & clarity of vision

Question 4

Figure ground perception

Answer 4

Visual perceptual skill
- focus on one specific piece of information in a busy background

Question 5

Diplopia

Answer 5

Double vision, loss of depth perception
(Prism correction, full or partial occlusion eye patching)

Question 6

Glaucoma

Answer 6

Peripheral loss
- scanning, acuity, contrast, light sensitivity, glare sensitivity, night vision

Question 7

Macular degeneration

Answer 7

Central vision loss
- wavy/blurry areas (lines), contrast, blank spot in vision
- metamorphoria: spinning/swirling
- Charles bonnet syndrome: visual hallucinations

Question 8

Diabetic retinopathy

Answer 8

Central & peripheral loss
- floaters, blur/haze vision, dark areas, color discrim, contrast, blind spot/scotoma

Question 9

Cataracts

Answer 9

Central vision due to cloudy lens
- acuity for near distance, glare, faded colors, blur/haze, night vision, contrast

Question 10

Myopia

Answer 10

Nearsighted

Question 11

Hyperopia

Answer 11

Far sighted

Question 12

Oculomotor dysfunction

Answer 12

• diplopia, tracking, eye movement, drooping eyelid, uneven pupils