... Thanks for the tip. Saw the doctor and ophthalmologist, had blood tests for kidney, sugar, count, liver function, etc. So far so good. Could a ct scan or mri be next? (3 replies)

... heat related vision changes, I suggest people look up "Uhthoff's Syndrome". I'm sure there are other causes besides that one, so it's just a suggestion. ... (3 replies)

... Today after spedning 50 minutes on the treadmill, I experienced about 5 minutes of double vision, with no other symptoms. My vision was clear in each eye, just the vision was double. After resting, my eyes returned to normal and I felt nothing else. ... (3 replies)

... Uhthoff's Syndrome, as you discovered when you looked it up, can be a precursor of MS. One of the diagnostic tests for MS is an MRI. But, I'm not a doctor and really have no knowledge of what caused the dv. (3 replies)