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coloboma

British  
/ ˌkɒləˈbəʊmə /

noun

  1. a structural defect of the eye, esp in the choroid, retina, or iris

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of coloboma

C19: New Latin, from Greek kolobōma a part taken away in mutilation, from kolobos cut short

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Both Julia and Madeleine have a coloboma of the iris - a rare eye abnormality that affects one in every 10,000 babies.

From BBC

The litter's two female cubs also have coloboma, but not to the same degree.

From BBC

She doesn’t mind when her peers at Dunbar Middle School ask about her eyes - she has coloboma, which means her iris isn’t closed entirely, giving her eyes a cat-like appearance.

From Washington Times

She has detached retinas, glaucoma and coloboma, a hole in part of her eye.

From Washington Times

Ms. Negrin, who has coloboma, a that perforates a structure of the eye and afflicts about 1 in 10,000 people, is an employee at OrCam, an Israeli start-up that has developed a camera-based system intended to give the visually impaired the ability to both “read” easily and move freely.

From New York Times