Aniseikonia and Anisometropia Flashcards
What is the greek word of Aniseikonia?
Unequal Images
Commented upon the probability of unequal
image sizes. (1864)
Donders
Discussed the possibility (1903)
C. Hess
Designed iseikonic lenses for aniseikonia
Von Rohr
Condition in which the size and shape of the
ocular images are equal
Iseikonia
Condition in which ocular images are unequal in size and shape
Aniseikonia
Lenses which correct aniseikonia and include also the correction of refractive error
Iseikonic Lenses
eyes are gazing in a certain direction
Static Aniseikonia
eyes have to rotate a different amount to gaze at the same point in space
Dynamic Aniseikonia
Variation in size differ from different positions of the visual field
Asymmetrical
Based on binocular space perception
Space Eikonometric Method
based on directly comparing perceived image sizes between the two eyes
Direct Comparison Method
instrument for measuring aniseikonia.
Space Eikonometer
is defined as a condition in which the refractive status of one eye differs from that the other.
Anisometropia
The condition in which the refractive status is equal in the two eyes.
Isometropia