Eyes Test Terms

Question 1

Color Blindness

Answer 1

• genetic conditions that result in the inability to see certain colors
• Due to the lack of one type of cone (partial color blindness)

Question 2

Hemianopia

Answer 2

• loss of the same side of the visual field of both eyes

- results from damage to the visual cortex on one side only

Question 3

Presbyopia

Answer 3

-elasticity of the lens as you age

Question 4

Strabismus

Answer 4

-“cross eyed” results due to an uneven pull by extrinsic eye muscles that prevents coordination between eyes

Question 5

Glaucoma

Answer 5

-can cause blindness due to increasing pressure within the eye

Question 6

Hyperopia

Answer 6

• farsighted
• Near objects are blurry
• distant objects are clear
• Distant objects are focused behind the retina
• Results from an eyeball that is too short or from a “lazy lens”

Question 7

Myopia

Answer 7

• nearsighted
• Distant objects appear blurry
• Light from those objects fails to reach the retina and are focused in front of it
• Results from an eyeball that is too long

Question 8

Night Blindness

Answer 8

-inhibited rod function that hinders the ability to see at night

Question 9

Cataracts

Answer 9

• when lens becomes hard and opaque

- vision becomes hazy and distorted

Question 10

Astigmatism

Answer 10

• Images are blurry
• Results from light focusing as lines, not points, on the retina due to
• unequal curvatures of the cornea or lens