After 8 years of exposure, i started having a lot of symptoms such as weight loss and loss of appetite and faitgue for like 2 months till now. Diarhea sometimes too. I have a negative tridot test and a negative western blot test. My two doctors say nothing is wrong with me and im negative. However my eyes are flashy and blurry . when i see light in the dark, i can see a rainbow like circle around it. When i blink , i can see extensions of light. My eyes have also become more blurry. Im already myopic but i dont think it is related to myopia. All my symptoms keep persisting despite seeing doctors who assure me im fine. What should i do?