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.
Signs and symptoms [edit]. Although astigmatism may be asymptomatic, higher degrees of an astigmatism may cause symptoms such as blurry vision, squinting, eye strain, fatigue, or headaches. Some research has pointed to the link between astigmatism and higher prevalence of migraine headaches.