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Created page with "== Overview == Inherited retinal diseases (IRDs) are a group of rare and genetic disorders that affect the retina, a layer of nerve cells at the back of the eye. These diseases can lead to progressive loss of vision, affecting the ability to see light and colors. IRDs are caused by mutations in one or more genes that lead to the dysfunction or death of photoreceptor cells in the retina. Photoreceptor cells are responsible for converting light into signals that can be sen..."