What are the visual characteristics of human eyes Enumerate the application of human visual characteristics respectively

The visual characteristics of human eyes include the following:

Pupil: The black circular opening in the center of the iris that regulates the amount of light that enters the eye.
Iris: The colored ring around the pupil that controls the amount of light that enters the eye.
Cornea: The clear, outermost layer that covers the front of the eye and helps to focus light.
Lens: The transparent structure behind the iris that focuses light onto the retina.
Retina: The innermost layer at the back of the eye that contains light-sensitive cells called rods and cones.
Fovea: The small, central area of the retina that is responsible for sharp, detailed vision.
Optic nerve: The nerve that carries visual information from the retina to the brain.

The applications of human visual characteristics are as follows:

Depth perception: The ability to judge the distance and position of objects in the environment, which is essential for tasks such as driving, sports, and navigation.
Color vision: The ability to perceive a range of colors, which is important for identifying objects, recognizing faces, and appreciating art.
Visual acuity: The ability to see fine details and distinguish between objects, which is important for reading, writing, and other tasks that require visual precision.
Peripheral vision: The ability to see objects outside of the central field of vision, which is important for situational awareness and detecting potential threats.
Adaptation to different lighting conditions: The ability to adjust to changes in the brightness and color of the environment, which is important for maintaining visual comfort and performance.
Eye movement control: The ability to move the eyes smoothly and accurately to follow moving objects or scan the environment, which is important for reading, driving, and other tasks that require visual tracking.