When an image travels through your lens, it gets focused onto the retina, which is located at the back of your eye. The retina contains specialized cells called photoreceptors, specifically rods and cones, that convert the incoming light into electrical signals.
The rods are responsible for detecting black, white, and shades of gray, and they work best in low light conditions. On the other hand, cones are responsible for color vision and work best in bright light. There are three types of cones that are sensitive to different wavelengths of light, allowing us to perceive a wide range of colors.
Once the light is converted into electrical signals by the photoreceptors, these signals are then sent to the optic nerve, which connects the eye to the brain. The optic nerve carries the information from the retina to the visual cortex in the brain, where further processing and interpretation of the visual information occur.
In the visual cortex, different areas of the brain are responsible for different aspects of visual perception, such as recognizing shapes, colors, and depth. The brain combines the information received from both eyes to create a coherent and meaningful visual experience.
Overall, the process of seeing involves the coordination of the eyes, the retina, and various parts of the brain, all working together to interpret and make sense of the images that we perceive.