Human Eye and C...

The near point of a long sighted person is 40 cm from the eye. To read a book held at a distance of 25 cm, he will need spectacles containing 

A man can read the number of a distant bus clearly but is not able to read a book clearly. Which defect of the eye is he suffering from?

The near point of a hypermetropic eye is 1 m. What is the power of the lens required to correct this defect?

Refraction of light in the eye occurs at

Mirages are observed in atmosphere due to the phenomenon of:

A person is not able to see nearby objects clearly. His vision can be corrected with the help of spectacles containing:

The defect of vision which cannot be corrected with the help of spectacles is:

A child was prescribed the following lenses for his spectacles by the optician:Left eye: + 2.50D, Right eye: +1.25D .The child has a defect of vision called:

If the optician's prescription for the spectacles reads: Left eye: -3.00 D, Right eye: -3.5 D then the person is suffering from the defect of vision called:

Which one of the following statements is correct?