What is the antonyms of eyeglasses?

There isn't a single perfect antonym for "eyeglasses." It depends on the specific context of how you're using the word. Here are some options:

Focusing on the function:

* Natural vision: This implies that someone doesn't need any corrective lenses.

* Contact lenses: This is a direct alternative to eyeglasses.

* Laser eye surgery: This permanently corrects vision problems, eliminating the need for glasses.

* No corrective lenses: This is a general statement indicating that no vision aid is being used.

Focusing on the form:

* Bare eyes: This emphasizes the absence of any visual aid.

* Unaided vision: This implies reliance on natural eyesight without assistance.

Focusing on the opposite meaning:

* Blindness: This is the complete absence of sight, the opposite of using eyeglasses to improve vision.

The best antonym for "eyeglasses" will depend on the specific context and the intended meaning.