10 GCA § 12501: Licenses Required.

Unless licensed or exempted under this Article, no person shall:

(a) practice optometry;

(b) represent himself or offer his or her services as being able to practice optometry;

(c) prescribe eyeglasses or give a prescription to a patient; or

(d) duplicate or replace an ophthalmic lens, not including contact lenses, without a current prescription, or without a written authorization from the patient if the prescription is not available.