We used to see reality for what it really is. But not all of us have the opportunity to fully enjoy her beauty. Many diseases, and not only the eye, lead to the fact that the true picture of the world is greatly distorted.
AdMe.ru found out how people with different visual impairments see the same objects.
1. Normal vision
Sees the image of a man without any disease affecting vision.
2. Glaucoma (damaged optic nerve)
Glaucoma due to increased intraocular pressure, the image looks dark around the edges.
3. Macular degeneration (lesion of the retina)
When macular degeneration changes occur in the blood vessels of the Central zone of the retina causing the photoreceptors are destroyed, reduced Central vision and the person begins to see a dark spot, which was “hiding” objects.
4. Tritanopia (violation of color sensations)
If tritanopia all colors are seen as shades of red and green.
5. Deuteranomaly (violation perception of flowers)
If deuteranomaly person sees the whole palette of shades darker than they really are. First of all it concerns green.
6. Protanopia (inability to distinguish colors)
This disease is the so-called colour-blindness: the person cannot distinguish one color from another. All shades of green and red feels dull, while shades of yellow and blue are perceived without any distortion.
7. Monochromacy (no color vision)
Monochromate is congenital and is full color blindness. In this case, the person sees the world in black and white and is able to distinguish between shades only by their brightness.
8. Hypoesthesia in schizophrenia (impaired vision)
Due to the fact that in the brain of a person with schizophrenia is not receiving sufficient oxygen, the capillaries dilate, which leads to deterioration of vision. Hypoesthesia is decreased sensitivity to any stimuli. The picture seems cloudy and foggy.
9. Hypersensitivity in schizophrenia (exacerbation of)
Nerve fibers in the retina of patients with schizophrenia become thinner, which leads to blurred vision. When hyperesthesia normal sensations become sharper and colors seem much brighter.
10. Visual hallucinations in schizophrenia
Scientifically this is called photopsia. One begins to see hallucinations. You get to see the bright spots that can glow and Shine.
11. Visual hallucinations in epilepsy
Before attack of epilepsy may occur the so-called aura, in which there are visual hallucinations: the person sees figures, images, and bright spots.
12. Macropanesthia hallucinations during alcohol syndrome (everything looks bigger)
Abstinence may lead that the person will have hallucinations, in which objects seem larger than they really are.
What States, resulting in changes of the vision, you know?