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

Quizplus · Accepted Answer

When the pupils are constricted, the retinal image is usually sharper due to less light scattering, there is usually greater depth of focus because of the increased range of distances over which objects appear clear, and vision can be poorer in dim illumination since less light enters the eye.

When the Pupils Are Constricted