Optometric management of optically induced consecutive exotropia.
A 5-1/2 year old black female initially presenting with a moderate angle esotropia and latent hyperopia developed a large angle constant exotropia 2 years after final correction of her refractive error. The occurrence of consecutive exotropia as a result of optical correction of hyperopia has been documented infrequently in the ophthalmologic literature and has rarely been mentioned in the optometric literature. While the overall risk for occurrence of this complication from correction of hyperopia may be small, it is a problem which may occur and can be avoided. Unfortunately, there is only limited information about the various risk factors that should be monitored to avoid the occurrence of an optically induced consecutive exotropia. What is available with regard to evaluation and management is scant, and there are no case reports emphasizing optometric management which includes the use of lenses, occlusion and vision therapy. The purpose of this paper is to present a case report of optically induced consecutive exotropia followed by a summary of the available information from the optometric and ophthalmologic literature. This combined information will aid optometrists managing these patients to avoid the occurrence of this problem and better understand the various management aspects when it does occur.
Ciner
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Pennsylvania College of Optometry, Philadelphia 19141.
Herzberg
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D000065:Accommodation, Ocular; D000550:Amblyopia / Q000150:complications; D002648:Child; D003290:Convergence, Ocular; D005099:Exotropia / Q000209:etiology / Q000628:therapy*; D005139:Eyeglasses; D005260:Female; D006801:Humans; D006956:Hyperopia / Q000628:therapy; D009907:Optometry; D009988:Orthoptics; D015348:Vision, Binocular