👉 Cerography is a method of measuring and interpreting the color intensity of objects using the human eye. It is based on the principle that the intensity of light in different colors can be perceived differently by an individual's eyes. The human eye has two types of cones, which are responsible for detecting light. These cones are arranged in a cone-shaped structure called the retina, and they contain specialized cells called photoreceptors. When light enters the eye through a lens or other optical device, it is reflected