The genetics of congenital aniridia-a guide for the ophthalmologist

• Congenital aniridia is a rare panocular disease caused by fundamental disturbances in the development of the eye, characterized primarily by hypoplasia of the iris and macula. Severe secondary complications such as keratopathy, cataract, and glaucoma are common and often lead to considerable visual impairment or blindness. Many complications in aniridia patients are difficult to treat and present a challenge for the ophthalmologist. Increasingly, associated nonocular features of the disease are also being recognized. Over the past decades, major steps have been made in the understanding of the genetic basis of aniridia. Moreover, recent studies have prepared the ground for future treatment options based on specific mutations. Therefore, specific knowledge about genetics in aniridia has become more important than ever. We provide an overview of the field of aniridia genetics and its clinical implications. (C) 2017 Elsevier Inc. All rights reserved.

Ämnesord

MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Oftalmologi (hsv//swe)

MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Ophthalmology (hsv//eng)

Nyckelord

aniridia; genetics; PAX6 gene; haploinsufficiency; PAX6 mutations; phenotype; genetic investigations

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