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44 results found

Health topics
… uses a laser to change the shape of the cornea . The goal is to have you see clearly … LASIK. LASIK makes a small flap in the cornea and removes some of the tissue … similar. PRK removes the top layer of the cornea, and then the cornea is reshaped. The …
Health topics
… keratomileusis) use a laser to reshape the cornea . By reshaping the cornea, these surgeries allow light to focus on … PRK, the top layer on the surface of the cornea (epithelium) is removed. Then the laser …
Medical tests
… IOP by recording the resistance of your cornea to pressure (indentation). Eyedrops to … a small probe to gently flatten part of your cornea to measure eye pressure and a microscope … by how much force is needed to flatten your cornea. This type of tonometry is very accurate …
Health topics
… farsightedness use a laser to reshape the cornea so that light is refocused on the retina . The laser reshapes the cornea accurately without damaging nearby … centre. With PRK, surface skin cells of the cornea are removed, and a laser is used to …
Medical tests
… parts include the clear, outer covering (cornea), the lens, and the coloured part … can be placed between the slit lamp and the cornea (or on the cornea) to help the doctor see the deeper …
Health topics
… cause eye problems, such as damage to the cornea or eye infections, just as easily as … for serious eye infections and injury to the cornea . Contact lenses can cause eye problems, such as damage to the cornea or eye infections. Small objects that …
Health topics
… float on a film of tears in front of the cornea . Correct design and fitting of the … such as keratoconus or damage to the cornea caused by injury or infection. Most … contacts. Have dry eyes or problems with the cornea. People who have Sjögren's syndrome (a …
Health topics
… Overview Hypoxia occurs when the cornea does not get enough oxygen. It is the … wear, especially extended-wear lenses. The cornea has no blood supply of its own, so it … lens reduces the oxygen supply to the cornea, making the cornea swell. Wearing …
Health topics
… bulge at the front of the eye called the cornea . The implants flatten the cornea and reduce nearsightedness . The … inserted in each eye, along the sides of the cornea. They do not cover the central portion …
Health topics
… eye. In LASIK, a thin flap is made on the cornea using a blade or laser. The flap is … tissue. The laser makes contact with the cornea in a circular pattern around the central … zone. This changes the profile of the cornea, making it steeper. The laser removes …