A person cannot see objects clearly that are closer than 1 m and farther than 5 m. To correct the eye vision, the person will use Options: a)Bifocal lenses of power –3 D and +0.2 D b)Bifocal lenses of power –2.5 D and +3.5 D c)Bifocal lenses of power –1.5 D and +5 D d)Bifocal lenses of power –0.2 D and +3 D

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Name the eye defect in which eye lens becomes cloudy or milky. Mention the method for its correction. A person uses a lens of power -1.0 D for correcting his distant vision and for correcting his near vision he uses a lens of power + 2.0 D. Calculate the focal length of the lenses required to correct these defects. Explain why a normal eye is not able to see clearly the objects placed closer than the near points.

Q. The far point of a myopic person is 100 cm in front of the eye. What is the nature and power of the lens required to correct the problem?

Q. A person cannot see distinctly objects kept beyond 2m. This defect can be corrected by using a lens of power

Question 1
A person cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using a lens of power

(a) + 0.5 D
(b) – 0.5 D
(c) + 0.2 D
(d) – 0.2 D

Question 1
A person cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using a lens of power

(a) + 0.5 D
(b) – 0.5 D
(c) + 0.2 D
(d) – 0.2 D

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