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.
Peripheral vision loss is commonly associated with glaucoma, an eye condition in which the optic nerve deteriorates over time. Peripheral vision loss can also be caused by a retinal detachment condition in which the retina pulls away from the blood vessels of the eye.