A hypermetropic person has a near point at 75 cm. Determine the nature and power of the lens required to rectify the defect.
A hypermetropic person whose near point is at 100 cm wants to read a book at 25 cm . Find the nature and power of the lens needed.
A short sighted person may read a book without specs. Comment.
The near point of a hypermetropic person is 50 cm from the eye. What is the power of the lens required to enable him to read clearly a book held at 25 cm from the eye ?
The near point of a hypermetropic person is 50 cm from the eye. What is the power of the lens required to enable him to read clearly a book held at 25 cm from the eye ?
