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The medical information on this site is provided as an information resource only, and is not to be used or relied on for any diagnostic or treatment purposes. This information is not intended to be patient education, does not create any patient-physician relationship, and should not be used as a substitute for professional diagnosis and treatment.
Leber congenital amaurosis
Overview
Leber congenital amaurosis is an eye disorder that primarily affects the retina. People with this condition typically have severe visual impairment beginning in infancy. Other features include photophobia, involuntary movements of the eyes (nystagmus), and extreme farsightedness. The pupils also do not react normally to light. Additionally, the the cornea may be cone-shaped and abnormally thin (keratoconus). Franceschetti's oculo-digital sign is characteristic of Leber congenital amaurosis. This sign consists of poking, pressing, and rubbing the eyes with a knuckle or finger. At least 13 types of this condition have been described, which are distinguished by their genetic cause, patterns of vision loss, and related eye abnormalities. Source: Genetic and Rare Diseases Information Center (GARD), supported by ORDR-NCATS and NHGRI.
Trusted Medical Sites
Genetic & Rare Diseases Information Center (GARD)
GARD provides the public with access to current, reliable, and easy-to-understand information about rare or genetic diseases in English or Spanish.
Support Organizations
Support organizations can provide help and guidance in areas such as peer matching, education and training, and therapy and counseling.
Disease Resources
Resources can help guide your quest for factual and reliable information.
The Progeria Handbook; A Guide for Families and Health Care Providers of Children with Progeria.
This 100-page handbook helps answer many questions for children with Progeria about how to optimize quality of life through daily care and medical treatment. Contains basic health facts,daily care recommendations and extensive treatment guidelines.
AAMDSIF Online Academy (webinars)
200+ FREE webinars for patients, families and caregivers about rare blood cancers and bone marrow failure diseases.
Educational Resources
Publications, links to patient conferences and webinars
Disease Information
Descriptions of various rare blood cancers and bone marrow failure diseases.
USH Talks - Video Presentations on Usher syndrome
This video podcast delivers the latest in research developments and community stories directly to you.