write a brief note on hue in human eye vision?
Answers
Answer:
Although the human eye can distinguish up to a few hundred hues, when those pure spectral colors are mixed together or diluted with white light, the number of distinguishable chromaticities can be quite high. In very low light levels, vision is scotopic: light is detected by rod cells of the retina.
Explanation:
A human eye is also a wonderful optical instrument. Eye is similar to the photographic cemera, which has a lence on one side and sensitive screen called retina on the other side.
The human eye consists of several parts. Each part has a specific structure and function. Sclerotic is the white outermost cover of the eye. It protects vital internal parts of the eye. The front bulging transparent part of the eye is cornea . It allows the light to enter in the eye ball. It is the continuation of attached to the sclerotic on its dark colors . Behind the cornea there is iris. The colour of our eyes is due to iris only. The iris has a circular hole called pupil. It regulates the amount of light entering our eyes by decreasing or increasing the diameter of pupil. Behind the iris there is a crystalline lens, which is held in position by the ring of muscle, called ciliary muscles...