Cones, Cone Dystrophy

Cones, Cone Dystrophy

Dr. Kennedy
The cones are specialized light-sensitive cells (photoreceptors) in the retina of the eye that provide sharp central vision and color vision. (By contrast, the rods are the retinal photoreceptors that provide side vision and the ability to see objects in dim light.)

Cone dystrophy is a disease of the cones, the specialized light-sensitive cells that act as photoreceptors in the retina of the eye, providing sharp central vision and color vision. The cone dystrophies are a form of genetic macular degeneration characterized by progressive deterioration of the cones that leads to the distinctive triad of loss of color vision, photophobia, and reduced central vision.

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