Eyepatch (noun)

1. A patch worn over one eye to cover a wounded or missing eye.
2. A small patch worn over one eye to cover a wounded, missing, or diseased eye, typically made of cloth, leather or plastic.

Origin:

From the word "eye" and "patch" meaning a piece of cloth or other material used to cover a wound or sore.

Examples:

1. He had to wear an eyepatch after losing his eye in the accident.
2. The pirate wore an eyepatch to cover his missing eye.
3. The eyepatch covered the injury on his eye.
4. The eyepatch was used to protect the eye after surgery.
5. The eyepatch was worn to treat a lazy eye.