A person finds difficulty in seeing nearby objects clearly. His vision can be corrected by using spectacles containing: a) converging lenses b) diverging lenses c) prismatic lenses d) chromatic lenses ...

A person cannot see distant objects clearly. His vision can be corrected by using the spectacles containing: a) concave lenses b) plane lenses c) contact lenses d) convex lenses ...

The defect of vision in which the eye-lens of a person gets progressively cloudy resulting in blurred vision is called: a) myopi b) presbyopia c) colourblindness d) cataract

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? ...

A student sitting on the last bench in the class cannot read the writing on the blackboard clearly but he can read the book lying on his desk clearly. Which of the following statement is correct ...

A person got his eyes tested. The optician’s prescription for the spectacles reads: Left eye: -3.00D Right eye: -3.50D The person is having a defect of vision called: a) presbyopia

After testing the eyes of a child, the optician has prescribed the following lenses for his spectacles: Left eye: +2.00D Right eye: +2.25D The child is suffering from the defect of vision called: ...