Eyepatch
Eyepatch
An eyepatch (/ˈaɪpætʃ/) is a small patch that is worn in front of one eye. It may be a cloth patch attached around the head by an elastic band or by a string, an adhesive bandage, or a plastic device which is clipped to a pair of glasses. It is often worn by people to cover a lost or injured eye, but it also has a therapeutic use in children for the treatment of amblyopia.
Etymology
The term "eyepatch" comes from the Middle English words "eye" and "patch", which originally referred to a piece of cloth used to mend clothes. Over time, the term came to be used for a piece of cloth or other material used to cover an eye.
Usage
Eyepatches are used for a variety of reasons. They are most commonly seen on people who have lost an eye or suffered an eye injury. In these cases, the eyepatch protects the injured eye from further damage and prevents infection.
In the medical field, eyepatches are also used therapeutically to treat conditions such as amblyopia, also known as lazy eye. This condition occurs when the brain favors one eye over the other. By patching the stronger eye, the weaker eye is forced to work harder, which can help to correct the problem.
Related Terms
- Amblyopia: A condition in which vision in one of the eyes is reduced because the eye and the brain are not working together properly.
- Monocular: Pertaining to one eye.
- Binocular: Pertaining to both eyes.
- Ophthalmology: The branch of medicine that deals with the diagnosis and treatment of eye disorders.
External links
- Medical encyclopedia article on Eyepatch
- Wikipedia's article - Eyepatch
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