The eye lens is………………
a) concave
b) convex
c) biconcave
d) biconvex
The persistence of vision for human eye is
a) 1/6th of a second
b) 1/10th of a second
c) 1/16th of a second
d) 1/18th of a second
What does the tapetumlucidum do
a) it is the colored part of the eye
b) gives animals night vision
c) transparent jelly like fluid
d) it is the area where the optic never attaches
The innermost layer and the most delicate layer of the eyeball where the photoreceptors are located are
a) chloride
b) sclera
c) cornea
d) retina
This part of the eye dilates and contracts based on the environment.
a) sclera
b) cornea
c) lens
d) pupil
The transparent lens in the human eye is held in its place by……….
a) smooth muscles attached to the iris
b) ligaments attached to the ciliary body
c) ligaments attached to the iris
d) smooth muscles attached to the ciliary body
