A person with a defective sight is using a lens having a power of +2D. The lens he is using is

A person's far point is at 2 m . Find nature, focal length and power of the lens he must use to see distant objects clearly.

Lens of power +2.0D is a convex lens

An eye specialist suggested a+2D lens to the person with defect in vision. Which kind of defect in vision does he have ? Draw the diagrams to show the defect of vision and its correction with a suitable lens.

A short-sighted person cannot see objects situated beyond 2m from him distinctly. What should be the power of the lens which he should use for seeing distant objects clearly?

A short-sighted person cannot see objects situated beyond 2m from him distinctly. What should be the power of the lens which he should use for seeing distant objects clearly ?

A person can not see clearly objects beyond a distance of 1.2 m.Name the defect of vision he is suffering from.What would be the power of correcting lens used to restore proper vision?

A miopic person uses a lens of power -1.25D. What is his farpoint?