Definition
The opposite of Myopia. This is the defect in which the person cannot see the nearby objects but can see the distant objects. This happens because the image is formed beyond the retina. This is because the near point is pushed away.
where N’ is the near point of the normal eye and N is the near point of the hypermetropic eye.
Causes
This defect can be caused due to:
- Decrease of the curvature of the lens
- Decrease in length of the eyeball
Correction
Hypermetropic eye can be corrected using a convex lens.
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Flashcards
What is Hypermetropia or Farsightedness? ? This is the defect in which the person cannot see the nearby objects but can see the distant objects. This happens because the image is formed beyond the retina. This is because the near point is pushed away.
What causes hypermetropia? ? This defect can be caused due to:
- Decrease of the curvature of the lens
- Decrease in length of the eyeball
Hypermetropic eye can be corrected using a {{convex lens}}