That does not involve vision / That does not use optics

(graphical user interface) A radio button.

(physics) A device that employs a focused laser beam to trap, manipulate and image very small particles

Alternative spelling of optic disc

(anatomy) The location where ganglion cell axons exit the eye to form the optic nerve.

The inflammation of the optic nerve that may cause a complete or partial loss of vision.

Misspelling of ophthalmology.

Optical discs used to store data, including such formats as Laserdisc, compact disc, DVD, and Blu-ray.

A modern data storage medium consisting of a flat disc read mechanically by illumination with laser light. Formats include the Laserdisc, compact disc, DVD, and Blu-ray.

Alternative form of Pareto optimal