A person with a myopic eye cannot see objects beyond 1.2 m distinctly. What should be the type of the corrective lens used to restore proper vision?

A short sighted person cannot see clearly beyond 2m. Caclulate the power of lens required to correct his vision.

The far point of a myopic person is 80 cm in front of the eye. What is the power of the lens required to enable his to see very distant objects clearly? b) In what way does the corrective lens help the above person ? Does the lens magnify very distant objects? Explain carefully.

A man suffering from short-sight is unable to see objects distinctly at a distance more than 2m . The power of lens required to correct this defect should be