Journal of AAPOS : the official publication of the American Association for Pediatric Ophthalmology and Strabismus · 2010
Longitudinal follow-up of hypermetropic children identified during preschool vision screening.
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Colburn Jeffrey D, Morrison David G, Estes Robert L, Li Chun, Lu Pengcheng, Donahue Sean P
Аннотация
PURPOSE: Early childhood hypermetropia is an important risk factor for the development of amblyopia and esotropia. Understanding the natural history of these complications aids in management decisions.
METHODS: A retrospective observational review was undertaken of 149 patients referred from a preschool photoscreening program who were determined to have hypermetropia of >or=+3.75 D spherical equivalent on criterion standard examination and were treated/followed by one group of academic pediatric ophthalmologists. The prevalence and incidence of accommodative esotropia and amblyopia were determined.
RESULTS: At presentation 19% of hypermetropic children had amblyopia, 32% had esotropia, and 13% had both. Follow-up data of 108 patients during a mean of 40 months showed that 20 (24%) of 83 initially nonamblyopic patients developed amblyopia and that 22 (33%) of 67 initially nonstrabismic patients developed accommodative esotropia. Of patients initially managed with observation, 38% (6 of 16) developed amblyopia, and 31% (5 of 16) developed accommodative esotropia as compared with 21% (14 of 67) and 33% (17 of 51), respectively, for those given full or partial refractive correction. For patients without amblyopia or strabismus at presentation, only 20% developed amblyopia and 35% esotropia. Strabismic patients responded well to treatment, with no cases developing partially accommodative strabismus requiring surgery during follow-up.
CONCLUSIONS: In this case series we found a high prevalence of amblyopia and strabismus. The results support the importance of early preschool vision screening and spectacle correction of moderate to high hypermetropia (>+3.50 D) to reduce the risk of amblyopia, although more research is needed.
METHODS: A retrospective observational review was undertaken of 149 patients referred from a preschool photoscreening program who were determined to have hypermetropia of >or=+3.75 D spherical equivalent on criterion standard examination and were treated/followed by one group of academic pediatric ophthalmologists. The prevalence and incidence of accommodative esotropia and amblyopia were determined.
RESULTS: At presentation 19% of hypermetropic children had amblyopia, 32% had esotropia, and 13% had both. Follow-up data of 108 patients during a mean of 40 months showed that 20 (24%) of 83 initially nonamblyopic patients developed amblyopia and that 22 (33%) of 67 initially nonstrabismic patients developed accommodative esotropia. Of patients initially managed with observation, 38% (6 of 16) developed amblyopia, and 31% (5 of 16) developed accommodative esotropia as compared with 21% (14 of 67) and 33% (17 of 51), respectively, for those given full or partial refractive correction. For patients without amblyopia or strabismus at presentation, only 20% developed amblyopia and 35% esotropia. Strabismic patients responded well to treatment, with no cases developing partially accommodative strabismus requiring surgery during follow-up.
CONCLUSIONS: In this case series we found a high prevalence of amblyopia and strabismus. The results support the importance of early preschool vision screening and spectacle correction of moderate to high hypermetropia (>+3.50 D) to reduce the risk of amblyopia, although more research is needed.