Here is a term paper on the ‘Human Eyeball’. Find paragraphs, long and short term papers on the ‘Human Eyeball’ especially written for school and college students. Term Paper on the Human Eyeball Term Paper # 1. Meaning and Parts of the Human Eyeball: It is a highly differentiated end organ, is the organ of sight and one of the [...]
The physical energy received by our eyes is called light. Objects present around us reflect light energy. Light energy varies in intensity. Physicists have studied light energy in great detail. According to them, vision starts with the electromagnetic radiation that objects emit.
The light ray first passes through the transparent cornea and aqueous humor, and enters the eye through the pupil. The size of the pupil varies according to lighting conditions: the less light present, the wider the pupil opening.