Accommodation, Presbyopia Flashcards
1
Q
Accommodation
A
The eye becomes more positive to focus on an object for near
2
Q
Presbyopia
A
A reduction in the amplitude of accommodation for near which results in not being able to focus near objects clearly
3
Q
Symptoms that might be experienced by a subject with early Presbyopia
A
*Blurred vision
*Headaches
*Difficulty reading small print
*Difficulty reading in low
illumination
4
Q
Changes that occur within the eye that contributes to Presbyopia
A
*Lens capsule loses elasticity
*Lens material is harder and
cannot change shape
5
Q
A 45 year old px has total hypermetropia of +5.00DS R&L. If amplitude of accommodation is 3.00DS. What are the facultative & absolute amounts of accommodation?
A
TOTAL = +5.00DS
FACULTATIVE = +3.00DS
ABSOLUTE = +2.00DS
