VISION In a simple way we can just say the eye is nothing else, just an organ of sight, the same as the ear is the organ of hearing, or the nose is an organ of smelling. The human eye is a complex part of the body that is used for seeing. Sight, or vision, is a process that involves continuous interaction between the eye, the nervous system, and the brain. How we see things …showed first 75 words of 547 total…

…showed last 75 words of 547 total…