exercise 24

a condition that results in the loss of elasticity of the lens and difficulty focusing on a close object is called: a. myopia b. presbyopia c. hyperopia d. astigmatism

b. presbyopia

photoreceptors of the eye include rods and cones. which one is responsible for interpreting color; which can function only under conditions of high light intensity?

cones

circle the correct underlined term. extrinsic/intrinsic eye muscles are controlled by the autonomic nervous system.

intrinsic

circle the correct underlined term: photoreceptors are distributed over the entire neural retina, except where the optic nerve leaves the eyeball. this is called the macula lutea/optic disc.

optic disc

true or false: people with difficulty seeing objects at a distance are said to have myopia.

true