Okla. Stat. tit. 36, § 36-6060.9d: Prescription eyedrop refills

A. Any health benefit plan issued or renewed on or after

November 1, 2017, that provides coverage for prescription eyedrops

shall not deny coverage for a refill of a prescription if:

1. For a thirty-day supply, the amount of time has passed after

which a patient should have used seventy percent (70%) of the dosage

units of the drug according to a practitioner's instructions, or

twenty-one (21) days from:

a. the original date the prescription was distributed to

the insured, or

b. the date the most recent refill was distributed to the

insured;

2. The prescribing practitioner indicates on the original

prescription that additional quantities are needed;

3. The refill requested by the insured does not exceed the

number of additional quantities needed; and

4. The prescription eyedrops prescribed by the practitioner are

a covered benefit under the policy or contract to the insured.

B. As used in this section, "health benefit plan" means any

plan or arrangement as defined in subsection C of Section 6060.4 of

Title 36 of the Oklahoma Statutes.