Question Detail

PHY 104 The Human Eye Objective Question

Question

To correct hyperopia (far-sightedness), which type of lens is typically used?
Options
A A diverging lens.
B A cylindrical lens.
C A converging lens.
Correct Answer
D A bifocal lens (always).
Correct Answer

Option C is the correct answer.

Detailed Explanation

The text states: 'For a presbyopic or hyperopic (long sighted eye) ... To correct this defect, a converging lens is used to focus the image on the retina.'

Hint

Hyperopia means the image forms *behind* the retina; you need to bring the focus *forward*.

Question Info