Chen E, Parikh R. Re: Gong et al.: Comparison of United States and international ophthalmic drug pricing (Ophthalmology. 2019;126:1358-1365. Ophthalmology. 2019;126(12):e94-e95. See also: Drug Delivery and Medical Devices, December 2019, All, 2019 Last updated on 03/06/2023