"An applicant for an active registration renewal certificate shall complete, during the preceding biennial period, a minimum of 50 credits of continuing optometric education. At least 30 of the 50 credits shall consist of courses or programs classified as therapeutic pharmaceutical agents (TPA) credits and shall be primarily devoted to the diagnosis, treatment and management of ocular disease, ocular pathology or the ocular manifestation of systemic disease, of which 10 of the 30 continuing professional optometric educations credits shall be in oral TPA. The remaining 20 general continuing professional optometric education credits shall be in areas set forth in N.J.A.C. 13:38-7.4".