For a normal eye, the cornea of eye provides a converging power of 40D and the least converging power of the eye lens behind the cornea is 20D. Using this information, the distance between the retina and the cornea- eye lens can be estimated to be -

For a normal eye, the cornea of eye provides a converging power of 40D

1.	For a normal eye, the cornea of eye provides a converging power of 40D and the least converging power of the eye lens behind the cornea is 20D. Using this information, the distance between the retina and the cornea- eye lens can be estimated to be -
A.	5 cm
B.	2.5 cm
C.	1.67 cm
D.	1.5 cm
Answer» D. 1.5 cm