Mass. Gen. Laws ch. 112 § 72A
Whoever, not being lawfully authorized to practice optometry, practices optometry, or holds himself out as a practitioner of, or as being able to practice, optometry, or whoever personates another practitioner, or violates any other provision of sections sixty-six to seventy-three, inclusive, or any rule or regulation made under authority thereof, shall, except as provided in section sixty-five, be punished for the first offence by a fine of not less than fifty nor more than two hundred dollars, or by imprisonment for not more than three months, or both; and for a subsequent offence, by a fine of not less than two hundred nor more than five hundred dollars, or by imprisonment for not less than three nor more than six months, or both.
Mass. Gen. Laws ch. 112, § 72A