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What does the weak color see in the world?
When looking at things with lighter colors, there is usually no obvious abnormality in vision, but there will be problems in color discrimination, such as the inability to distinguish light or unsaturated colors, which will distort the color of the object.
Color blindness classification:
1, color blindness
It belongs to complete cone cell dysfunction. The colorful world is gloomy in its eyes, just like watching black and white TV, with only light and shade, no color difference, accompanied by amblyopia, central scotoma, oscillatory nystagmus and other symptoms. It is one of the most serious color vision disorders, but patients are very rare. Generally, there is only one case among 65,438+200,000 people, and parents often get married by close relatives.
2. Red blindness
Also known as first color blindness. Red-blind people cannot see the red light in the spectrum. In their view, if the red end of the spectrum is missing, the spectrum will be shortened by one section, and only the yellow to blue section can be seen, and the brightness of the spectrum is different from that of normal people.
3. Green blindness
Also known as second color blindness. The brightest part of the spectrum seen by the patient is in the orange part, and the center point is about 500 nanometers. All spectra are light yellow, gray and blue. Patients will regard green as gray or dark black, and can't tell light green from dark red, purple from cyan, and purple from gray.
4, blue and yellow blindness
Also known as third color blindness. Patients can't distinguish between blue and yellow, and it is extremely rare to distinguish between red and green.
5, panchromatic anti
Also known as trichromatism, the real world is like a pure negative in its eyes. Patients regard red as green and black as white, and all the colors they see are completely opposite to reality.
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