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  • Title: Topical ketorolac tromethamine 0.5% versus diclofenac sodium 0.1% to inhibit miosis during cataract surgery.
    Author: Srinivasan R, Madhavaranga.
    Journal: J Cataract Refract Surg; 2002 Mar; 28(3):517-20. PubMed ID: 11973101.
    Abstract:
    PURPOSE: To compare the effect of topical ketorolac tromethamine 0.5% solution and topical diclofenac sodium 0.1% solution on the inhibition of surgically induced miosis. SETTING: Tertiary care teaching hospital in South India. METHODS: Fifty-one patients were prospectively randomized to receive ketorolac 0.5% or diclofenac 0.1% at 3 intervals preoperatively. Patients with diabetes mellitus, pseudoexfoliation, or local pupil abnormalities were excluded from the study. Mydriatics comprising homatropine 1% plus phenylephrine 10% were instilled in all patients 1 hour before the peribulbar block at 5 intervals. Horizontal pupil diameters were obtained at the beginning of surgery, after capsulotomy, after intraocular lens (IOL) implantation, and at the end of surgery. RESULTS: The mean horizontal pupil diameter was 7.40 mm at the start of surgery in both groups. The ketorolac group showed a consistent trend toward larger pupil diameters at subsequent surgical intervals. Changes from baseline also indicated more significant inhibition of miosis in the ketorolac group. CONCLUSIONS: Topical ketorolac was a more effective inhibitor of miosis than topical diclofenac during extracapsular cataract extraction and IOL implantation. It also provided a more stable mydriatic effect throughout surgery.
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