Difluprednate vs. a Prednisolone Acetate - Phenylephrine on Post-operative Inflammation Following Cataract Surgery.

Inclusion Criteria: * Patients of both sexes between 45 and 65 years old (women who are not fertile) who undergo cataract surgery N2 and N3, defined according to BCN10, Decimal classification of cataracts. * That the surgical technique is ultrasonic phacoemulsification. * Patients who have an initial corneal thickness between 500 and 570 µm inclusive. * Patients with initial intraocular pressure between 12 and 18 mm Hg inclusive. * Patients with an endothelial cell count greater than 1000 cells / mm2 Exclusion Criteria: * Patients who use eye medication, except eye lubricant. * Patients who before surgery have not been able to dilate their pupil more than 5 mm * Patients who have been treated with corticosteroids or systemic anti-inflammatory drugs for 2 weeks prior to enrollment * Patients who have received periocular corticosteroid injections in the study eye within the previous 4 weeks or used depot corticosteroids within 2 months prior to enrollment * Patients who have received a topical ocular corticosteroid or non-steroidal anti-inflammatory drug (NSAID) within 24 hours prior to enrollment * History of glaucoma or ocular hypertension in the study eye, history or presence of endogenous uveitis, or corneal abrasion or ulceration * Patients with a diagnosis or suspicion of keratoconjunctival disease caused by viruses, bacteria, or fungi * Patients which presents an allergy to the drug to be tested or to any similar drug such as other corticosteroids * History of increased intraocular pressure due to the use of corticosteroids * Patients with pathological macular features * Diabetics * Breastfeeding women * Patients with rheumatoid arthritis. * Patients treated with Amiodarone