Amblyopia Flashcards
is primarily a defect of central vision.
Amblyopia
Give atleast two classification of Amblyopia
- Strabismic Amblyopia
* Anisometropic Amblyopia
The most common form of amblyopia
Strabismic Amblyopia
Second in frequency
Anisometropic Amblyopia
result from large, approximately equal, uncorrected refractive error in both eyes of a young child.
Isometropic Amblyopia
Uncorrected bilateral astigmatism in early childhood may result in loss of resolving ability limited to chronically blurred meridians.
Meridional Amblyopia
t is usually caused by congenital or early acquired media opacity.
Stimulus Deprivation Amblyopia
is a form of deprivation caused by excessive therapeutic patching.
Occlusion Amblyopia
allow the examiner to test the crowding phenomenon with isolated optotype.
Crowding bar or contour interaction
Cataracts capable of producing amblyopia require surgery without unnecessary delay.
Cataract removal
In general, optical prescription for amblyopic eyes should correct the full refractive error as determined with cycloplegia.
Refractive correction
Defined as occlusion for all or all but one waking
hour.
Occlusion and Optical Degradation
This form of treatment has recently been demonstrated to be as effective as patching for mild to moderate amblyopia.
Penalization
Full time occlusion carries the greatest risk of this complication and requires close monitoring, especially in the younger child.
Complication of Therapy
Complete or partial Unresponsiveness to treatment occasionally affect younger children but often occurs in patients older than 5 years.
Unresponsiveness
When Amblyopia treatment is discontinued after fully or partially successful completion, approximately half of patients show some dgree of recurrence.
Recurrence
The time required for completion of treatment depends on, give one.
Degree of Amblyopia
Compliance with occlusion therapy for amblyopia declines with increasing age.
Part-time occlusion
Give one treatment for Amblyopia
Correcting refractive error
may cause mild to moderate amblyopia or may have no effect on visual development.
Small polar cataracts and lamellar cataracts
