When the pupils are constricted,
A) the retinal image is usually sharper.
B) there is usually greater depth of focus.
C) vision is poor in dim illumination.
D) all of the above
E) both A and C
Question 2
Light enters the human eye through an opening in the iris called the
A) cornea.
B) fovea.
C) pupil.
D) retina.
E) sclera.