| PURPOSE: To establish a classification system for congenital posterior capsular dysplasia of lens in children to provide data for uniform description, ophthalmic research and developing treatment strategy.
METHODS: patients (eyes) with Congenital Posterior Capsular Dysplasia were retrospectively studied. Posterior Capsular were defined and classified according to the geometric anomalies, transparence, extralenticular opacities of the posterior capsule and its effect on Treatment Strategy.
RESULTS: Congenital posterior capsular dysplasia of lens, including congenital posterior cataract, lentiglobus, umbilication, coloboma, mittendorf dot, retrolental fibroplasia, et al. Posterior Capsular Dysplasia were classified into four types: Type I - normal capsule without visual impairment; Type II – mild capsule dysplasia with mild visual impairment; Type III - obviously capsule dysplasia with middle to severe visual impairment, Type IV - obviously capsule dysplasia with severe visual impairment. Each Type was subdivided into three subtypes. All eyes with congenital posterior capsular dysplasia of lens can be sorted into its’ corresponding types and it is easy to guide treatment strategy according to the classification. Type III was the most common among the two groups in our study.
CONCLUSIONS: Systematic classification for congenital posterior capsular dysplasia of lens in Children is feasible and favorable for uniform clinical description, clinical research and developing treatment strategy.
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