phys special senses Word Scramble
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Question | Answer |
refractive power of a lens | measured in diopters; equals the reiprocal of the focal distance in meters |
emmetropia | normal-light focuses on the retina |
hypertropia | far sighter- light focuses behind the reitna and is correctid with a convex lens |
myopia | near sighted-light focuses in front of the retina and is corrected with a biconcave lense |
astigmatism | curvature of the lens is not uniform and is corrected with a cylindric lens |
presbyopia | loss of accommodation power of the lens corrected with convex lens |
pigment layer | contains melanin and absorbs stray light |
photoreceptor layer | rods and cones |
simple cells | respond to bars of light that have th correct position and orientation |
complex cells | respond best to moving bars or edges of light with the correct orientation |
hypercomplex cells | respond best to lines with particular length and to curves and angles |
Created by:
swohlers
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