OPINION — AG — THE PRESENT STATUTORY PROVISIONS RELATING TO THE PRACTICE OF OPTOMETRY DO NOT REQUIRE A PERSON TO BE A CITIZEN OF THE UNITED STATES TO TAKE THE BOARD EXAMINATION. CITE: 59 O.S. 1961 581-592 [59-581] — [59-592], 59 O.S. 1961 588 [59-588], 59 O.S. 1961 584 [59-584] (LEE COOK)