not likely cold can cause constriction of the eye capillaries. fasting causes drop in blood pressure and detoxification symptoms.
i had sudden 15 min extreme blurred vision after being out in the cold for 40 min and fasting 36 h. likely ive diabetes? . 28 y m 134? lb (up 1 from last sun 2. 3 from 2 wks before then) 5'8. 5". dad's type 2 diabetic.