Question

what do you mean by refraction​

Answer 1

Explanation:

Refraction : The change in direction of light when it passed from one medium to another obliquely,is called refraction of light

hope this answer will help you

Answer 2

Answer:

A refraction test is usually given as part of a routine eye examination. ... A refractive error means that the light is not bending properly when it passes through the lens of your eye. The refraction test will tell your doctor what prescription lens you should use in order to have 20/20 vision.