A person cannot see distant objects clearly. His vision can be corrected by using the spectacles containing:

A man driving a car can read a distant road sign clearly but finds difficulty in reading the odometer on the dashboard of the car. Which of the following statement is correct about this man?

The defect of vision in which the eye-lens of a person gets progressively cloudy resulting in blurred vision is called:

A person finds difficulty in seeing nearby objects clearly. His vision can be corrected by using spectacles containing :

In a certain murder investigation, it was important to discover whether the victim was long-sighted or short-sighted. How could a detective decide by examining his spectacles?