Combinations of Pilocarpine and Oxymetazoline for the Pharmacological Treatment of Presbyopia: Two Randomized Phase 2 Studies - Price, F W, Jr; Hom, M; Moshirfar, M; Evans, D; Liu, H; Penzner, J; Robinson, M R; Lee, S; Wirta, D L (Ophthalmology Science, 2021)