This is a retrospective cohort study of 44 eyes of 33 patients. The eyes all had corneal astigmatism of 1 to 5 D, and between July 2006 and March 2007 received an AcrySof toric intraocular lens during ...

Astigmatism is a common vision problem caused by an error in the shape of the cornea. Symptoms can differ from person to person but may include blurry vision and ...

The eye acts like a camera, capturing light through the front surface (the cornea) and focusing it onto the “film” at the back of the eye (retina). To get a clear picture, the eyeball and all of its ...

Astigmatism is a common condition that affects how your cornea directs light to your retina. It’s a refractive error that occurs due to an abnormal or uneven ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

Strictly speaking, the normal cornea is not a surface of revolution, since the curve of the horizontal plane is usually less than that of the vertical; but the difference is only regarded as a disease ...