B. Except as provided in subsection C of this section, a licensee may prescribe, dispense and administer the following oral prescription pharmaceuticals for treating diseases of the eye and its adnexa for any one patient for each occurrence for a period of not more than the day limit recommended by the manufacturer or the physicians' desk reference, unless otherwise specified in this subsection, subject to the pharmaceutical agent classifications specified in section 32-1728:

1. 1. Anti-infectives classified as tetracycline and its derivatives, cephalosporins, penicillin and its derivatives, macrolides, fluroquinolones and antivirals.
2. 2. Antihistamines.
3. 3. Nonsteroidal anti-inflammatory agents.
4. 4. Agents for treating angle-closure glaucoma, including carbonic anhydrase inhibitors.
5. 5. Steroids in an amount that does not exceed the amount packaged for a single course of therapy of not more than seven days.

E. A licensee shall not prescribe, dispense or administer the following prescription substances:

1. 1. An oral antifungal.
2. 2. An oral antimetabolite.
3. 3. An oral immunosuppressive.
4. 4. A substance administered intravenously.
5. 5. Except as provided in subsection F of this section, substances administered by injection.
6. 6. Except as provided in subsection D of this section, a schedule I, II, IV or V controlled substance.