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.
This depends on the type of tumor and the size of the tumor. A large tumor may cause loss of vision, particularly peripheral vision, if it compresses the optic chiasm (where the optic [eye] nerves come together, located above the pituitary gland).