How is the background color of the pecten oculi formed?

The color of the pecten oculi background is mainly caused by the rod cells and cones on the retina. For rod cells, which are mainly night vision functions, the cones are mainly the color vision function of daylight. The background color of the pecten oculi is the reflection of the absorption of the colored spectrum by the cone cells on the photoreceptor layer.

①What is the background color of the pecten oculi?

The background color of the pecten oculi describes the absorption of the corresponding color spectrum by the cones. Different background colors indicate the absorption of light in different bands, and also indicate the individual's different utilization functions of the light source.

②What is the background color of the diaphragm?

The background color of the pecten oculi in the evaluation system is divided into three types: orange, red, and brown.