MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Presbyopia and Its Correction

The upper par...

Question

The upper part of the bifocal lens is a diverging lens used to correct the distant vision.

A

True

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

B

False

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A True
The top portion of the lens is used for distant vision, therefore a diverging lens is used.

Suggest Corrections

thumbs-up

0

Similar questions

Q. The upper part of the bifocal lens is a diverging lens used to correct the distant vision.

A bifocal lens is used for the correction of ____. The upper part of the bifocal lens is a ____ lens and the lower part is ____.

Q. The bifocal lens used in the correction of presbyopia has a lens on upper side and a lens on lower side.

Q. A person needs a lens of power, −5.5 D for correcting his distant vision. For correcting his near vision, he needs a lens of power, + 1.5 D. What is the focal length of the lens required for correcting:
(a) distant vision?
(b) near vision?
What type of lens is being used for correcting (i) distant vision, and (ii) near vision?

Q. A person needs a lens of power -5.5 diopters for correcting his distant vision. For correcting his near vision he needs a lens of power +1.5 diopters. What is the focal length of the lens required for correcting (i) distant vision (ii) near vision?

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Presbyopia and Its Correction_tackle

PHYSICS

Watch in App

explore_more_icon

Explore more

Presbyopia and Its Correction

Standard IX Physics

Join BYJU'S Learning Program

CrossIcon