Today photography has become a global cacophony of freeze-frames. Millions of pictures are uploaded every minute. Correspondingly, everyone is a subject, and knows itâany day now we will be adding the unguarded moment to the endangered species list.
Astigmatism is a condition of the eye which causes either blurred vision or a sense that each eye is seeing objects slightly differently. A structural problem â usually from either an unevenly curved cornea or lens â causes light coming into the eye to not focus correctly.stigmatism is a condition of the eye which causes either blurred vision or a sense that each eye is seeing objects slightly differently. A structural problem â usually from either an unevenly curved cornea or lens â causes light coming into the eye to not focus correctly.
There are three primary types of astigmatism: 1  Myopic astigmatism. One or both principal meridians of the eye are nearsighted. 2  Hyperopic astigmatism. One or both principal meridians are farsighted. 3  Mixed astigmatism. One prinicipal meridian is nearsighted, and the other is farsighted.