If you have double vision, your treatment will depend on whether you have double vision in one eye (monocular) or both eyes (binocular), and the underlying cause. Underlying conditions may be treated separately. Read more about the causes of double vision.
curtain. n. 1. a piece of material that can be drawn across an opening or window, to shut out light or to provide privacy. 2. a barrier to vision, access, or communication: a curtain of secrecy. 3. (Theatre) a hanging cloth or similar barrier for concealing all or part of a theatre stage from the audience.
The meaning of the term privacy changes according to its legal context. In constitutional law, privacy means the right to make certain fundamental decisions concerning deeply personal matters free from government coercion, intimidation, or regulation.