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diseases and disorders of the eye, matching

astigmatism

blurry images occur because points of light are focused not as points on the retina but as lines

cataracts

lens becomes increasingly hard and opaque, causes vision to become hazy an distorted

color blindness

lack of one or more of the 3 cone types that pick up color

conjunctivitis

inflammation of the conjunctiva which results in reddened and irritated eyes

emmetropia

perfect vision

glaucoma

aqueous humor does not drain properly, backs up and the pressure may increase and compress the retina and the optic nerve

hemianopia

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

hyperopia

farsighted, can see far but not near

myopia

nearsighted, can see near but not far away

night blindness

hindrance in the rod function

pink eye

infectious form of conjunctivitis caused by bacteria or virus, extremely contagious

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