Errors Of Refraction ll Myopia ll Hypermetropia ll Presbiopia ll Astigmatism ll in hindi l

Hello friends
In this video i am going to explain about
Errors of refraction
Emmetropic eye
Distant vision
Near vision
Refractive index
Myopia / shortsightedness
Hypermetropia/ longsightedness
Presbiopia
Astigmatism
Correction of errrors of refraction

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