Clinical Research Directory

Inclusion Criteria: * Cataract patients from 50 to 90 years old who underwent uncomplicated phacoemulsification performed by one (and same) experienced surgeon. * Patients with no underlying ocular surface diseases (keratitis, keratoconjunctivitis and others). * Patients who previously did not undergo any ophthalmic surgery. Exclusion Criteria: * Patient expressed his wish to not participate in the study or discontinue it when already enrolled. * Severe dry eye disease diagnosed with OSDI/DEQ-5 and at least one of the following tests: TBUT less than 10 seconds, tear osmolarity higher than 308 mOsm/l or positive corneal staining. * Glaucoma. * Diabetes mellitus. * Systemic connective tissue disease, autoimmune disease. * Neurologic conditions including stroke, Bell's palsy, Parkinson's, trigeminal nerve dysfunction. * Patients who underwent refractive surgery (LASIK or PRK). * Contact lens users. * One or more of the following concomitant medications: psychiatric medicines, antihistamines and/or hormonal replacement. * Patients who are already regularly using topical drops or ointments.