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Optom Vis Sci. 1999 Feb;76(2):82-7.

Improvement of visual function in an adult amblyope.

Author information

1
Department of Psychology, University of Essex, Wivenhoe Park, Colchester, United Kingdom. anitas@essex.ac.uk

Abstract

PURPOSE:

In this case report, the efficacy of occlusion therapy was investigated in a strabismic amblyope above the currently accepted age for treatment. Success was assessed not simply by a change in visual acuity, but by examining a number of parameters which relate to both sensory and motor aspects of visual function.

METHODS:

As well as routine orthoptic and optometric evaluation, additional tests were administered as follows: high and low contrast LogMAR Crowded Acuity, repeat letter acuity, and hyperacuity measurements.

RESULTS:

A functional loss in each of the tests used was demonstrated, and occlusion therapy appeared to improve all aspects of the amblyopia, with a significant difference in pre- and post-therapy results.

CONCLUSIONS:

The results of this study suggest that: (1) occlusion therapy can produce substantial improvements in visual function in adult amblyopia; (2) many aspects of visual function can improve beyond the traditional critical periods for development in amblyopia; and (3) with good patient compliance and cooperation, age should not be the critical factor in the initiation of treatment for amblyopia.

[Indexed for MEDLINE]

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