Color Essays -- essays research papers

     Color is sensed when fresh light bounces complete an object and is reflected into the administration center. Objects appear different colorize depending on what colors were cloaked and which were reflected. Color is " captivaten" by the rods and cones in the eye. Cones detect color and rods detect black, white, and dark glasses of gray. People who earth- closemouthedtnot deal colors properly atomic number 18 colorblind. There are numerous different kinds of colors and they are classified in many different ways (The World Book Encyclopedia p 818, 819).           The eye consists of many parts. The part of the eye you butt see when you look at someone consists of four parts. The colored part of the eye where the light enters is c exclusivelyed the iris. The white part around the iris is the conjunctiva and episclera. This part also contains blood vessels. The cornea is the conduct covering of the ir is and pupil. The cornea contains no blood vessels. The lens is located cornerstone the iris. The lens is used to focus, as in the cornea, but the lens cannister move. The retina is responsible for telling the brain what a person is seeing. They determine all the different parts of what is being seen. It then codes them to electrical signals for the brain (Cassel p 4-10).           Rods and cones are in the retina. There are three kinds of cones. Each cone can sense a different color. Rods are used when a person is in dim light (Hubel p 162). The optic nerve is what sends all these messages to the brain (Cassel p 261).           Sometimes people have hassle telling colors apart. This is called colorblindness (Websters Dictionary, p 281). Sometimes colorblindness is hereditary. Other times there is a fuss with the message reception from the optic nerve. Another problem can lie in the retina. People c an have gravel recognizing colors because of certain drugs.           People are diagnosed as being colorblind by taking tests. They look at different colored numbers that are in order by their color. This way they can be diagnosed as being colorblind in certain areas (Cassel p 52). A person can have different extents of colorblindness depending on what the problem is. A person can be colorblind because t... ...ht or white the colors will appear reversed. rosy becomes green, and yellow becomes blue (The World Book Encyclopedia p 820, 819). A quote about afterimages was wedded by Johannes Ilten "It has been psychologically proven that the afterimage as well as the simultaneous effect show the oddish and so far inexplicable fact that our eye demands for a given color its complementary completing and produces it on its own if it is not provided" (Tritten p C43).      Color is a product of many different things. We physically see color by the light hitting the retina and being absorbed by the rods and cones. Colors are distinguished by sorting them into categories. These could include tint, shade, tone, chroma, value, or hue. It could also be determined by whether a color is primary, secondary, intermediate, or complementary. The illusion of different colors can be created by the colors around a color or placing bits of color very close together as in a television. Afterimages create the opposite of colors. whole color is a product of light. Without light, we would only be able to see in black and white (The World Book Encyclopedia p 818, 819, 822, 823).