Document Detail

Anisometropic amblyopia: is the patient ever too old to treat?
MedLine Citation:
PMID:  1454304     Owner:  NLM     Status:  MEDLINE    
Amblyopia is an example of abnormal visual development that is clinically defined as a reduction of best corrected Snellen acuity to less than 6/9 (20/30) in one eye or a two-line difference between the two eyes, with no visible signs of eye disease. We describe a sequential management program for anisometropic amblyopia that consists of four steps: (1) the full refractive correction, (2) added lenses or prism when needed to improve alignment of the visual axes, (3) 2 to 5 h/day of direct occlusion, and (4) active vision therapy to develop monocular acuity and improve binocular visual function. We examined records of 19 patients over 6 years of age who had been treated using this sequential management philosophy. After 15.2 (+/- 7.7) weeks of treatment the Amblyopia Success Index (ASI) documented an average improvement in visual acuity of 92.1% +/- 8.1 with a range from a low of 75% by a 49-year-old patient to a maximum of 100% achieved by 42.1% of the patients (8 of 19). Patients who had completed therapy 1 or more years ago (N = 4) maintained their acuity improvement. From these results we conclude that following a sequential management plan for treatment of anisometropic amblyopia can yield substantial long-lasting improvement in visual acuity and binocular function for patients of any age.
B Wick; M Wingard; S Cotter; M Scheiman
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Optometry and vision science : official publication of the American Academy of Optometry     Volume:  69     ISSN:  1040-5488     ISO Abbreviation:  Optom Vis Sci     Publication Date:  1992 Nov 
Date Detail:
Created Date:  1993-01-06     Completed Date:  1993-01-06     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  8904931     Medline TA:  Optom Vis Sci     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  866-78     Citation Subset:  IM    
College of Optometry, University of Houston, Texas.
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MeSH Terms
Amblyopia / therapy*
Anisometropia / therapy*
Middle Aged
Optics and Photonics
Sensory Deprivation
Treatment Outcome
Vision, Binocular
Visual Acuity

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