OSRX®, an affiliate of Ocular Science, is a PCAB-accredited 503A compounding pharmacy based in Missoula, Mont. We compound customized ophthalmic formulations, per a prescriber's orders, for post-surgical care as well as the management of glaucoma and myopia. By Rx only. See our formulations here: https://www.osrxpharmaceuticals.com/cataract-lasik-drops *Compounded drugs are not FDA-approved, which means they have not undergone FDA premarket review for safety, effectiveness, and quality. 503A compounding pharmacies are not required to comply with cGMP requirements but can be inspected by FDA. References available upon request.