The White of the Eyes
Colored portion of the eye
Iris may be hazel, brown, or this color
Membrane that protects & maintains eyeball's shape
Thin mucous membrane lines anterior of eye, exposed to air
Located in the center of the iris
Produces tears
Protects the eyeballs from foreign matter and insects
Tears drain from the eyes through this
Controls amount of light entering the eye
Nerve impulses transmitted via this to the brain
Responsible for dim lights & peripheral vision
Nerve cells along the optic nerve (Two words)
Examination of external & internal structures of the eye
Transparent, nonvascular layer covering the iris
Located in bony orbits within the facial bones
The pupil's diameter is regulated by contracting & relaxing of this
Tears flow across conjunctival surfaces to cleanse and to this
Instrument used to perform examination of eye structures
Anterior & Posterior cavities separated by this
Colorless biconvex structure aids in focusing images
Part of retina insensitive to light
When images focus on fovea centralis resulting in sharpest images.. called what?
Contains the highest concentration of cones
Contains extensive capillaries that provide blood supply & nutrients