a person suffering from hypermetropia use spectacles of convex lenses
Answers
Answer:
The person is suffering from hypermetropia. This is obvious from the fact that he has to wear spectacles with convex lens. Bifocals are eyeglasses with two distinct optical powers. Bifocals are commonly prescribed to people with presbyopia who also require a correction for myopia.
Explanation:
For patients with hypermetropia, you will be prescribed with eyeglasses or contacts that place a convex (plus powered) lens in front of a hypermetropic eye, allowing the image to move forward and focus correctly on the retina.
The near point of a hypermetropic eye is 1 m. What is the power of the lens required to correct this defect? Assume that the near point of the normal eye is 25 cm.
Answer:
convex lens are used to clear near vision of the eye.
Explanation:
if person cannot read a book but he or she has clear distance vision then doctor suggest them to wear spec's for near vision ie hypermetropia.