67 results found
Health topics
… Contact Lenses: Dry Eyes On this page: Overview … eye may also cause a type of keratitis (inflammation of the cornea). Changes in the type of contact lens and the way the … eye dry. Dryness may lead to patchy loss of cells in the cornea. Trying a different type of lens may help the …
Health topics
… Types of Contact Lenses On this page: Overview Overview … of gas-permeable materials that allow oxygen to reach the cornea . This reduces problems that may occur when the cornea doesn't get enough oxygen. Conventional hard lenses …
Health topics
… have two main components: shape and power. The shape of a lens determines the type of correction. Concave, or minus, … direction than another to make up for irregularities in the cornea that cause astigmatism . Convex lenses or bifocals … direction than another to make up for irregularities in the cornea that cause astigmatism . Convex lenses or bifocals …
Health topics
… eye and does not spread into the colored part of the eye (iris). Bleeding that occurs between the coloured part of the eye (iris) and the cornea is called a hyphema. This is more serious than … occurs between the coloured part of the eye (iris) and the cornea is called a hyphema. This is more serious than …
Health topics
… the object out. Objects may scratch the surface of the eye (cornea) or may become stuck on the eye. If the cornea is … in the size or shape of the pupil, a film over the eye lens, or damage to the inside of the eyeball. These objects … dark centre (pupil) of the eye or over the coloured part (iris) of the eye, you may try to flush it out gently with …
Health topics
… (You may still need to wear glasses or contact lenses part of the time.) Rely on glasses or contact lenses … for nearsightedness uses a laser to change the shape of the cornea . The goal is to have you see clearly without glasses … are two main types: LASIK. LASIK makes a small flap in the cornea and removes some of the tissue underneath. Surface …
Health topics
… A grey or white sore on the coloured part of the eye (iris). Fever with no other cause. Blurred or decreased … occur after a minor eye injury or a small scratch on the cornea. If untreated, some types of eye infections can … Infections can be more severe in people who wear contact lenses. If you think you may have an eye infection, remove …
Health topics
… Don't rub the eye since this can scratch the outer surface (cornea) of the eye. You may have to keep small children from … rubbing their eyes. Remove contacts. If you wear contact lenses, take your contacts out before you try to remove the … dark centre (pupil) of the eye or over the coloured part (iris) of the eye, you may try to flush it out gently with …
Health topics
… who have Crohn's disease. These can include ulcers on the cornea, inflammation of the iris and blood vessels (uveitis), and inflammation of the … who have Crohn's disease. These can include ulcers on the cornea, inflammation of the iris and blood vessels …
Health topics
… This can happen when the coloured part of the eye and the lens block the movement of fluid. A defect or scar in the … and loss of side and central vision (perimetry testing). Cornea thickness. Tests such as ultrasound pachymetry … makes a new opening in the coloured part of the eye (iris). It allows fluid to flow through the eye. Surgery to …