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Updated: Apr 20, 2026

Visualization of the Superior Ocular Sulcus during Danio rerio Embryogenesis
Published on: March 27, 2019
Crystalline coloboma
R Demetrio1, D Ruiz-Sancho1, N Rolón1
1Servicio de Oftalmología, Hospital Universitario Marqués de Valdecilla, Santander, España.
Case Report:
We present a seventy-three year-old female diagnosed with lens coloboma when she was going to be operated on for cataracts.
Discussion:
The incidence of congenital coloboma of the eye is estimated to be 0.5 per 10000 newborns in Spain, 1.4 in France, 2.6 in United States, and 7.5 in China. The diagnosis is clinical by observing the defect. The visual prognosis depends on the extent and severity of the coloboma. The treatment of the cataract was by phacoemulsification with an intraocular lens using a capsular tension ring.
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