You may easily convert e.g. 1 cup of any sugar into grams or ounces etc. You may enter whole numbers, decimals or fractions ie: 7, 29.35, 15 3/4.
Prosopagnosia. Another condition caused by bilateral damage to the occipital lobe, prosopagnosia affects the patient's ability to recognize faces visually. Prosopagnosia can also occur with visual object agnosia. 1  1. 2  2. 3  Next Page. 4  Last Page.
Or, it can be a symptom of a stroke that's already occurred. Vision complications due to a stroke depend on where the stroke occurs. The majority of visual processing occurs in the occipital lobe, in the back of the brain. Most strokes affect one side of the brain. If the right occipital lobe is injured, the left field of vision in each eye may be affected. A stroke that affects the left occipital lobe may disturb the right field of vision in each eye. Rarely, both sides of the brain are affected, but this can result in blindness.