The photosensitive pigment present in the cone cells of the retina.

Iodopsin

1. Iodopsin (Photopsin) is a photosensitive pigment found in cone cells.
2. It is present in the retina of the eye of most vertebrates.
3. It is composed of retinol and each of the three cone pigments with different proteins, giving each pigment a different color.
4. The three colors, blue, green, and red, correspond to the region of the visible spectrum where each cone pigment absorbs the maximum amount of light.