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

A person uses spectacles of power +2 D . 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

A child has correction spectacles of power -3 D. Determine the vision defect and also find the far point of the child without spectacles.