Question

In myopia what happens to the power of the eye lens?

Answer 1

Myopia is a condition where rays of light focuses in front of the retina instead of on the retina. However, that focusing in front of the retina may be because of many reasons increase in curvature of cornea or lens, change in refractive index, increase in axial length..etc.

If there is increase on curvature of crystalline lens, the rays end up focusing in front of retina, thus resulting in myopia.

Answer 2

In myopia the power of lens becomes negative,

Because, here concave lense is used