Presbyopia Flashcards
It is a condition where a gradual decline in accommodation
Absolute Presbyopia
A condition in which it only occurs at night
Nocturnal Presbyopia
Presbyopia is also known as ________.
Short Arm Syndrome
It attributes all of the loss in accommodation. to bio mechanical changes in the lens capsule & lens and none to the ciliary muscle
H-H-G Theory or Helmholtz-Hess-Gullstrand Theory
A condition that is also know as the borderline, beginning, early, or pre-presbyopia
Incipient Presbyopia
True or False: In a Functional Presbyopia, some patients are symptomatic at an early age
True
What do you call a small scale snellen’s chart .
Near Chart VA
True or False: The use of age as tentative guide as to what power should you start
True
What formula is mostly used to determine the expected amplitude of a patient?
Hoffsteter’s formula
Etiology of Presbyopia
Lenticular changes, Extralenticular changes
The required duration in which a change in prescription for presbyopia
2-3 years
What comprises the extralenticular changes?
Neuromuscular changes
Ciliary muscle changes
In what decade in which there is a complete loss of accommodation?
5th to 6th decade
At what age does Presbyopia usually begins?
Early 40’s
It is the loss of “auto focus”
Presbyopia
