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Researchers Examine Eye Conditions Related to Albinism




Researchers at the National Eye Institute (NEI) have developed the first patient-derived stem cell model for studying eye conditions related to oculocutaneous albinism (OCA).


OCA is a set of genetic conditions that affects pigmentation in the eye, skin, and hair due to mutation in the genes crucial to melanin pigment production. People with OCA lack pigmented RPE and have an underdeveloped fovea, an area within the retina that is crucial for central vision. The optic nerve carries visual signals to the brain.


According to Brooks “Treating albinism at a very young age, perhaps even prenatally, when the eye’s structures are forming, would have the greatest chance of rescuing vision,” said Brooks. “In adults, benefits might be limited to improvements in photosensitivity, for example, but children may see more dramatic effects.”


Now researchers will use the model to study how lack of pigmentation affects RPE physiology and function. The development could help scientists to gain insight into the effect of genetic conditions that influence pigmentation on the eye.







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