A Phase 3 Study Evaluating the Efficacy and Safety of OCS-01 Eyedrops Compared to Vehicle for the Treatment of Ocular Inflammation and Pain Following Cataract Surgery

Inclusion Criteria: * Be planning to undergo unilateral cataract extraction via phacoemulsification and posterior chamber intraocular lens (PCIOL) implantation in the study eye. * Have a pin-hole visual acuity (VA) without any other correction \> 20 letters (approximately 20/400) in the operative eye and \> 35 letters (approximately 20/200) in the fellow eye as measured using an Early Treatment for Diabetic Retinopathy Study (ETDRS) chart at Visit 1 (Day -1 to Day -28 \[prior to surgery\]). Exclusion Criteria: * Have any intraocular inflammation (e.g. white blood cells or flare) present in either eye at the Visit 1 (Day -1 to Day -28 \[prior to surgery\]) slit lamp examination. * Have a score \> 0 on the Ocular Pain Assessment at Visit 1 (Day -1 to Day -28 \[prior to surgery\]) in the study eye.