Changes

Hypermetropia and Myopia , both are refractive defects in vision and are nearly opposite in nature. Below are the differences between the two .

Another cause can be the elongation of eye ball. | It may also be caused due to flattening of the eyeball .

Myopia can be corrected by using concave lens of suitable focal length.| Hypermetropia may be corrected using convex lens of suitable focal length .