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.
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.