The world around us we perceive first of all with the help of the eyes. So, a lot depends on the correct operation of this pair of eyes. Eyes usually have to work a lot during the day, getting rest mainly at night.
Color blindness is a special type of visual impairment, which is manifested in the absence of perception of certain colors, most often green, red and purple. Basically, color blinds are not able to distinguish a particular color or several colors.
Today, in medicine, the need to restore vision is becoming increasingly important. Patients complain of reduced visual acuity, clarity of perception. For many, the perceived object is twofold, or "flies" appear before the eyes.
Rapid fatigue of the visual apparatus indicates the development of asthenopia. Consider the causes of discomfort in the eyes, symptoms, types, methods of treatment and prevention.
The ability of the eye to distinguish objects based on the wavelength of light that they reflect, radiate or transmit, provides a person with a color vision.
If a person distinguishes only two primary colors, then this state is called dichromasia. Consider the causes of this pathology, types, methods of diagnosis, treatment.
We are so used to seeing the world in all the diversity of its colors, that we do not even know how it can be otherwise. How can you see the green foliage brown or gray, and the ripe tomato dark green or saturated gray?
