Chapter 7 multiple choice

The pupil automatically dilates in _______ light.

• dim

• bright

• normal

The pupil automatically contracts in _______ light.

• dim

• bright

• normal

For a person with farsightedness, the rays from near objects intersect at a point _______ the retina after passing through the eyelens.

• behind

• in front of

• on

For a person with farsightedness, the rays from distant objects intersect at a point _______ the retina after passing through the eyelens.

• behind

• in front of

• on

For a person with nearsightedness, the rays from near objects intersect at a point _______ the retina after passing through the eyelens.

• behind

• in front of

• on

For a person with nearsightedness, the rays from distant objects intersect at a point _______ the retina after passing through the eyelens.

• behind

• in front of

• on

Farsightedness may be due to an eyeball which is ______.

• too long

• too short

• normal

Nearsightedness may be due to an eyeball which is ______.

• too long

• too short

• normal

Farsightedness may be due to the eyelens which is _______.

• more convex than is necessary

• less convex than is necessary

• fixed convex

Nearsightedness may be due to the eyelens which is _______ is necessary.

• more convex than is necessary

• less convex than is necessary

• fixed convex