San Diego Natural History Museum--Your Nature Connection
Animal Eyes Vocabulary
Binocular vision
3D vision resulting from two slightly different views
Ciliary muscles
muscles that change the shape of the lens
Compound eye
an eye made up of many separate units
Cones
cells on the retina that are sensitive to color
Cornea
clear, protective cover of the eye; it bends light into the eye
Focus
adjustment of a lens, or eye, to produce a clear image
Iris
the colored part of the eye; its muscles open and close the pupil
Lens
part of the eye that changes shape to focus light
Nocturnal
animals that are active at night
Ommatidia
-the separate units that make up a compound eye
Optic nerve
the nerve that carries messages from the eye to the brain
Pupil
name of the hole in the middle of the iris
Retina
light-sensitive lining at the back of the eye
Reflector
device for bouncing light back toward its source
Rods
cells on the retina that are sensitive to light
Stereoscopic
same as binocular vision
Tapetum
reflecting membrane found in the eyes of some animals
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