Glossary of Terms

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floaters -  Floaters are little "cobwebs" or specks that float around in the field of vision. They are small, dark, shadowy shapes that can look like spots, thread-like strands, or squiggly lines. They move as your eyes move and seem to dart away when you try to look at them directly. They do not follow your eye movements precisely, and usually drift when you hold your eyes still.
- Synonyms: floater, Floater
focal laser treatment -  This is a kind of laser surgery for people with macular edema. For this treatment, the doctor places small laser burns directly in the areas of retinal leakage surrounding the macula. These burns slow the leakage of fluid and reduce the amount of fluid in the retina. The surgery is usually completed in one session, but a person might need focal laser surgery more than once to control leaking fluid. If surgery is needed for macular edema is in both eyes, generally only one eye will be treated at a time, usually several weeks apart.