Ophthalmic vs. Opthalmic — Which is Correct Spelling?

Relating to the eye; ocular.

(medicine) Of or pertaining to the eyes.

Visionary, looking to the future.

Of, pertaining to, or in the region of, the eye; ocular; as the ophthalmic, or orbitonasal, nerve, a division of the trigeminal, which gives branches to the lachrymal gland, eyelids, nose, and forehead.

Of or relating to the eye;

Of or relating to ophthalmology;