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.
7 Reasons Why You Have Blurry Peripheral Vision. The function of the retina can affect people's peripheral vision. Blurred peripheral vision can be caused by conditions which are not serious such as asthenopia, but serious conditions could also be culprits.
The lens of the eye focuses light onto the retina, which transmits visual signals through the optic nerve to the brain. Clouding of the lens due to cataracts results in blurring of the images you see. Other problems with the eyes can also cause blurry vision, but cataracts produce some characteristic symptoms.