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Developmental anomalies and abnormalities of the equine iris
1Ophthalmology Unit, Langford House, Langford, Bristol, BS40 5DU, UK.
Veterinary Ophthalmology
|June 9, 2001
Abstract:
The iris is derived from interaction between neural crest tissue and the adjacent neuroectoderm of the optic cup. Developmental anomalies of the equine iris are common, and include congenital miosis, iris cysts, various manifestations of iris hypoplasia, heterochromia, and persistent pupillary membrane remnants. They may be found alone or in combination with other ocular defects.