Question

relation between spectacle refraction and ocular refraction​

Answer 1

Answer:

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Answer 2

Explanation:

SPECTACLE REFRACTION  The power of the correcting lens, specified at the spectacle plane is termed as spectacle refraction i.e. the power which is required to correct any refractive error of the eye such as myopia, hyperopia or astigmatism at the level of spectacle plane is known as spectacle refraction.

3. MYOPIA  When a parallel light of rays coming from infinity are focused in front of the retina due to the mismatch between the axial length of the eye and refractive power of the eye is known myopia.  It is also known as nearsightedness.