Fat digestion takes much longer than the digestion of carbohydrates and somewhat longer than the digestion of proteins. A raw salad consisting of nonstarchy vegetables can be digested within two to three hours.
Causes and Treatment for Blurry Peripheral Vision. 1. Migraine. Migraines are severe headaches caused by narrowing of the blood vessels (vasoconstriction), followed by widening of the vessels (vasodilation). When the vessels are narrowed, blood flow is reduced, which affects the eye.
Instead, it is a side effect of other conditions, many of which are serious. Some of these conditions, such as glaucoma, cause tunnel vision that progresses over a period of time. Others, such as a detached retina, lead to immediate loss of peripheral vision or complete loss of vision altogether. Any sudden changes in vision should be evaluated by a doctor or ophthalmologist immediately.