Problems Of Refractory Flashcards
0
Q
What is Myopia?
A
Nearsightedness
The focal point is in front of the retina due to a LONGER than normal eyeball.
1
Q
What is an Emmetropic Eye?
A
Normal eye length and eye function with light focused properly.
2
Q
What type of distance is difficult with Myopia?
A
Difficulty with distance vision.
3
Q
How is Myopia corrected?
A
With a CONCAVE LENS
4
Q
What is hyperopia?
A
Farsightedness
He focal point is behind the retina due to a SHORTER than normal eyeball
5
Q
What type of vision is difficult with Hyperopia?
A
Difficulty with close vision.
6
Q
How is Hyperopia corrected?
A
With CONVEX lens
7
Q
What is Astigmatism?
A
Unequal curvatures in different parts of the cornea or lens.
8
Q
How is Astigmatism corrected?
A
- With cylindrical lay ground lenses
- corneal implants
- laser procedure.
