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Human Eye

Name: _________________________ Period: ____

Date: _________________
Across
Vitreous Gel is mostly made of this
When the pupils get larger
Cells in the retina that sense color
Yellowish area surrounding the Fovea near the center of the Retina
The function of the ciliary muscles
A thick, transparent gel that fills the center of the eye (no spacing between words)
The tough white outer part of the eye that provides protection
Visual acuity is highest
Opening in the center of the Iris
Focuses light on the Retina
Clear, salty liquid that is produced by glands in the eyes
A problem of missing certain types of cone cells
Nerve that transmits electrical impulses from the Retina to the Brain
Down
The number of how many types of cones
A term used to express 20/20 vision
Clarity or sharpness of vision
Space between the cornea and lens (no spacing between words)
Colored part of the eye
Clear, dome shaped tissue covering the front of the eye
Light sensitive tissue that lines the back of the eye
Shape of the Cornea
This type of animal has more rod cells and can see at night extremely well
This affects how large or small the pupil will become
Cells in the retina that sense brightness, used in night vision