1693 results found
Health topics
… methods described above eliminates heavy metals, salts, chemicals, or radioactive dust or dirt (fallout) from water. … methods described above eliminates heavy metals, salts, chemicals, or radioactive dust or dirt (fallout) from water. …
Health topics
… in the ear canal can cause the battery to release strong chemicals (alkali) quickly, often in less than 1 hour. These chemicals can cause a severe burn and scarring in as little … toys, cameras, watches, and other devices. Because of the chemicals they can release, they can cause serious problems …
Health topics
… (say "struh-BIZ-mus") is a vision problem in which both eyes do not look at the same point at the same time. … begins in early childhood. It is sometimes called crossed-eyes, walleye, or squint. Normally, the muscles attached to each eye …
Health topics
… Amblyopia is a childhood problem that happens when one eye is weaker than the other. The brain chooses to take in images from the stronger eye and ignore images from the weaker eye. This means that your child uses the strong eye more …
Medical tests
… magnified, three-dimensional (3-D) view of the parts of the eye . During the examination, your doctor can look at the front parts of the eye. These parts include the clear, outer covering (cornea), … gel) that fills the large space in the middle of the eye. Special lenses can be placed between the slit lamp and …
Health topics
… health. They are often caused by an imbalance of certain chemicals in the brain. They also may run in families. … health. They are often caused by an imbalance of certain chemicals in the brain. They also may run in families. …
Health topics
… Information Treatment Overview Chelation therapy is a chemical process in which a synthetic solution—EDTA … our content . … Treatment Overview Chelation therapy is a chemical process in which a synthetic solution—EDTA …
Medical tests
… Overview A tonometry test measures the pressure inside your eye, which is called intraocular pressure (IOP). This test is used to check for glaucoma , an eye disease that can cause blindness by damaging the nerve in the back of the eye ( optic nerve ). Damage to the optic nerve may be caused …
Health topics
… surgery—a piece of tissue in the drainage angle of the eye is removed, creating an opening. The opening is … a flap of tissue from the sclera, the white part of the eye, and the conjunctiva, the clear thin covering over the … opening allows fluid ( aqueous humour ) to drain out of the eye, bypassing the clogged drainage channels of the …
Health topics
… tube with an attached silicone drainage pouch in the eye to help drain fluid ( aqueous humour ) from the eye. This type of surgery is usually done after a … person already has or is likely to form scar tissue in the eye, this type of surgery may be done at the start. …