common refractive errors of the lens of the eye Flashcards
1
Q
nearsightedness
A
Myopia
2
Q
farsightedness
A
Hyperopia
3
Q
loss of elasticity of the lens, thus loss of ability to see close objects.
A
Presbyopia
4
Q
This begins about 45 years of age
A
Presbyopia
5
Q
What are required for near vision or reading
A
2 corrective lenses (bifocals)
6
Q
an uneven curvature of the cornea that prevents horizontal and vertical rays from focusing on the retina.
A
Astigmatism
7
Q
This is a common problem that may occur in conjunction with myopia and
hyperopia.
A
Astigmatism
