Question

List 3 common refractive defects of vision . Suggest the way of correcting these defects​

Answer 1

The 3 common defects are :-

# ) Myopia

# ) Hypermetropia

# ) Presbyopia.

Corrections:-

#) Myopia- Concave Lens

#) Hypermetropia - Convex lens

#) Presbyopia - Bifocal lens of corrective focal length.

By having Awareness classes or by programmes.

By printing a pamphlet

By making posters

Thank you.....!!!!

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Yours, Jahnavi

Answer 2

1-Myopia or short sightedness which is corrected by concave lens,

2- Hypermetropia or Hyperopia or long sightedness which is corrected by convex lens, and

3- Presbyopia which occurs in old age and is corrected by bifocal eyeglasses.

•••• HOPE THIS HELPS ••••