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.
Some possible causes of intermittent blurred vision or episodes of blurred vision including: Diabetic lens osmosis - blurred vision due to diabetes, DKA, HHNS, etc. Glaucoma. Acute angle glaucoma (see Glaucoma) - usually unilateral episodic blurring.