Optical Terms Flashcards
0
Q
What is the definition of smelled acuity? (6/12)
A
The distance at which a letter subtends an angle of 5’ at the eye
1
Q
What is myopic shift?
A
The tendency for a myopic Px to require more -rx and loose va as cater acts form
2
Q
What is Occular torticallis?
A
Positioning Head to compensate for visual errors
3
Q
What is Physiological exophoria?
A
Px eyes diverge naturally as a result of muscle imbalance
4
Q
What is an annular/ring scotoma?
A
The jack in eh box area caused by the prism caused by high + lenses
5
Q
What is Microophthalmia?
A
Anatomically small eyes resulting in high +rx
6
Q
What is cyclophoria?
A
The eyes turn rotationally (usually when converging) causing different axis for nv
7
Q
What is nystagmus?
A
Involuntary eye movement.