Analysis by sophisticated wavefront-sensing technology and customized ray-tracing has now revealed that the eye is actually an aplanatic design, with the cornea and lens compensating each other's ...

Narrator With the help of an innovative procedure known as dsaek, Jolie will have the damaged portion of his cornea replaced by eye surgeon Rick Fraunfelder of Portland's Casey Eye Institute.

At about 7 weeks, the main parts of the eye that enable sight – the cornea, iris, pupil, lens, and retina – start developing, and they're almost fully formed just a few weeks later.

Cornea Tough, transparent covering over the ... These relax or contract to adjust the size of the pupil. Controls how much light enters the pupil. Pupil Hole in the middle of the iris.

It's not always a sign of a serious condition and usually resolves within a few days or weeks with minimal treatment. Corneal abrasion (when scratches form on the part of your eye that covers the iris ...

A physician suspected the presence of a thin membrane covering the pupil and thus attempted Nd:YAG laser membranotomy, which was unsuccessful due to corneal edema. When the patient was transferred ...