110 results found
Health topics
… for children who have glaucoma when the clear covering (cornea) over the iris is cloudy. For children, trabeculotomy or goniotomy are … which may result in blurred vision from clouding of the lens (cataract) or fluid buildup under the nerve layer …
Medical tests
… Tonometry measures IOP by recording the resistance of your cornea to pressure (indentation). Eyedrops to numb the … glaucoma or risk factors for glaucoma. If you wear contact lenses, remove them before the test. Do not put your … our content . Media gallery Optic nerve Cornea, Lens, and Iris Eye Structures (Front and Side Views) … Test Overview A …
Health topics
… surgery helps you see better. It replaces your natural lens, which has become cloudy, with a clear artificial one. … Prev Next > slide 2 of 8, Close-up of a cataract, The cornea is the clear layer that covers the front of the eye. … macular edema). Swelling of the clear covering of the eye (corneal edema). Bleeding in the front of the eye (hyphema). …
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 …
