Mondo Description Any early-onset non-syndromic cataract in which the cause of the disease is a mutation in the CHMP4B gene.

Uniprot Description An opacification of the crystalline lens of the eye that frequently results in visual impairment or blindness. Opacities vary in morphology, are often confined to a portion of the lens, and may be static or progressive. In general, the more posteriorly located and dense an opacity, the greater the impact on visual function. CTRCT31 includes posterior polar, progressive posterior subcapsular, nuclear, and anterior subcapsular cataracts.