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19.4 Chemistry

Vocabulary Words

QuestionAnswer
cornea the transparent outer coating of the eye
pupil the opening that allows light rays to enter your eye
iris the colored part of your eye
retina the inner surface of the eye
rods light-sensitive neurons in the retina that detect low-intensity light and distinguish black, white, and gray
cones light-sensitive neurons in the retina that detect color
nearsightedness an eye condition that causes distant objects to be blurry
farsightedness an eye condition that causes nearby objects to be blurry
astigmatism a condition in which objects at any distance appear blurry because the cornea or lens is misshapen
Created by: MarieElyn