Versions of Massachusetts General Laws ch. 112 sec. 66C - Optometrists; prescriptions; referrals; medical error reduction on LawServer 2023 Massachusetts General Laws ch. 112 sec. 66C – Optometrists; prescriptions; referrals; medical error reduction 2022 Massachusetts General Laws ch. 112 sec. 66C – Optometrists; prescriptions; referrals; medical error reduction