![]() The appearance of these lights or colors can vary but usually goes away once radiation stops. Radiation therapy used in cancer treatment is one common way people are exposed to radiation.Ībout 70 percent of people receiving radiotherapy for melanoma of the eye experience seeing light or colors that aren’t there during the procedure. People exposed to radiation of their head, neck, or eyes commonly report changes in their vision, including seeing lights that aren’t there and colored spots. Drugs, head injuries, and radiation Exposure to radiation Researchers can also create phosphenes by stimulating the part of your brain that controls vision with an electrical current called transcranial magnetic stimulation. They’re thought to appear because direct pressure on your eyeball tricks your retinal cells into thinking they’re being exposed to light. Phosphenes should go away after several moments and can appear as spots, bars, or random patterns of colorless or colored light. These spots and bursts of color are called phosphenes. You may experience spots and random bursts of color in your vision after rubbing your eyes or putting direct pressure on your eyeball. Rubbing your eyes or putting pressure on your eyes Looking directly into the sun or at extremely bright lights like explosions can cause permanent sight loss. You may notice this phenomenon when you move from a brightly lit area to a dark one or if you’re exposed to a sudden bright light like a camera flash. Your vision should return to normal after a few seconds or minutes when these cells become unsaturated again. ![]() Bright light causes special cells in your retina to become saturated with pigment. Looking at a bright light and then looking away can cause temporary blindness or the temporary appearance of spots or patterns in your vision. Nonmedical reasons you see yellow spots Looking at bright lights Here are some of the potential causes, but for a proper diagnosis, you should visit an eye doctor. There are many reasons why you may be experiencing yellow spots in your vision. Possible causes of seeing yellow spots in your vision
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