Efficacy and Safety of APP13007 for Treatment of Inflammation and Pain After Cataract Surgery Including a Corneal Endothelial Cell Sub-study

Inclusion Criteria: * Patients 18 years of age or older expected to undergo unilateral uncomplicated cataract extraction via phacoemulsification and posterior chamber intraocular lens implantation in one eye. * Have a pin-hole corrected visual acuity without other correction of ≤ 1.3 logarithm of the minimum angle of resolution (logMAR) in the study eye to be operated and contralateral eye as measured using an Early Treatment Diabetic Retinopathy Study (ETDRS) chart at Visit 1. * Willing and able to comply with study requirements and visit schedule. * Provide signed and dated informed consent. Exclusion Criteria: * Have a known sensitivity or allergy to clobetasol propionate, corticosteroids, or any of the study medication's components including benzalkonium chloride and soybean lecithin or any routine medication required during cataract surgery or for the conduct of study procedures * Have an ACC count \> 0 or any evidence of intraocular inflammation (e.g., flare) in either eye at the Screening visit * Have a Grade \> 0 on the Ocular Pain Assessment in either eye at the Screening visit Note: Other inclusion/exclusion criteria apply.