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American Family Children's Hospital
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Cone Cells

Cone cells are a type of cell in the retina, the layer at the back of the eye that responds to light. Cone cells detect color.

There are three types of cones: red, green, and blue. People with color vision problems may have different amounts of each cone type, or they may be completely missing one, two, or three of the cone types.

Last Revised: January 25, 2013

Author: Healthwise Staff

Medical Review: Kathleen Romito, MD - Family Medicine & Christopher J. Rudnisky, MD, MPH, FRCSC - Ophthalmology

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