optical: Meaning and Definition of

op•ti•cal

1. of, pertaining to, or applying optics or the principles of optics.
2. constructed to assist sight or to correct defects in vision.
3. of or pertaining to sight or vision; visual.
4. of or pertaining to the eye.
5. of or pertaining to an optician or opticians or to their products, esp. eyeglasses: an optical service.
6. dealing with or skilled in optics.

1. See