A person uses spectacles of power +2 D . He is suffering from

A preson uses spectacles of power + 2D . He is suffering from

A person uses glass of power '+2D . He is suffering from-

A person uses spectacles of power +2D. What type of defect of vision is it?

A person wear spectacles of power-2.3 D Name the defect of vision he is suffering from.Draw the ray diagram for: The defective eye

A person wear spectacles of power-2.3 D Name the defect of vision he is suffering from.Draw the ray diagram for: Its correction after using a suitable lens.

A myopic person is using spectacles of power -1.5 D for distant vision. How far can he see distincltly without specs ?

A myopic person has been using spectacles of power -1.0D for distant vision. During old age he also needs to use separate reading glass of power +2.0 dioptres. Explain what may have happened.

If power of spectacles used by Amit's brother is +2.5 D, then he is suffering from

Amar is using spectacles with power - 2.5 D. What will be the focal length (in cm) of the lens used in spectacles? What is the type of the lens and what must be the defect of vision Amar is suffering from?