A prefix is placed at the beginning of a word to modify or change its meaning. This is a list of the most common prefixes in English, together with their basic meaning and some examples. You can find more detail or precision for each prefix in any good dictionary. A prefix goes at the beginning of a word. A suffix goes at the end of a word. The origins of words are extremely complicated. You should use this list as a guide only, to help you understand possible meanings. But be very careful, because often what appears to be a prefix is not a prefix at all.
The blind spot is located in the peripheral vision and so does not often pose a problem for people. Figure 1 shows a cross-section of the inside of the eye, and figure 2 shows a 3-D drawing of the inside of the eye. Fig.
Occipital Lobes. The occipital lobes are the location of the primary visual cortex and the visual association areas. Injury or lesions to the primary visual cortex cause vision impairments such as blindness or blind spots in visual fields. Damage to the association area can cause difficulties including visual distortions (aka agnosias) and visual inattention.