A COMPARATIVE STUDY ON EFFICACY OF CARBOXYMETHYLCELLULOSE 0.5% VS POLYETHYLENE GLYCOL 0.4% / PROPYLENE GLYCOL 0.3% AS A TEAR SUBSTITUTE FOR OCULAR SURFACE DISORDER AND TEAR-FILM INSTABILITY IN POST CATARACT SURGERY PATIENTS. CMN [Internet]. 2024 Aug. 8 [cited 2025 Jun. 13];6(2):3579-91. Available from: http://cahiersmagellanes.com/index.php/CMN/article/view/629