Tujuan: Untuk mengetahui apakah pemberian natrium diklofenak 0.1% topikal sebelum pembedahan dapat mempertahankan dilatasi pupil selama pembedahan katarak dengan tehnik standar ekstraksi katarak ekstra kapsular (EKEK) dalam pembiusan lokal.Subjek dan metode : Penelitian ini adalah uji klinis acak tersamar ganda. 32 subjek yang memenuhi kriteria inklusi menjalani pembedahan katarak dengan implantasi lensa intraokular, mendapatkan natrium diklofenak 0.1% tetes mata atau plasebo, yang diberikan 2 jam sebelum operasi setiap 15 menit sebanyak 4 kali setetes. Semua subjek mendapatkan tiga tetes tropikamid 1%, dan setetes fenilefrine liidroklorida 10%. Lebar pupil horisontal diukur sehari sebelum operasi, segera setelah blefarostat terpasang, segera setelah selesai melakukan irigasi aspirasi sisa lensa, dan sehari setelah operasi.Hasil: Lebar pupil sebelum operasi dan segera setelah blefarostat terpasang tidak berbeda bermakna pada kedua kelompok. Lebar pupil setelah irigasi aspirasi sisa lensa pada kelompok diklofenak lebih lebar dari kelompok plasebo, dan secara statistik bermakna (p<00.1). Perubahan lebar pupil pada kedua kelompok berbeda bermakna (p<00.1) dimana perubahan lebar pupil kelompok diklofenak lebih sedikit dibandingkan kelompok plasebo. Lebar pupil sehari pasta pembedahan berbeda bermakna (p<0.05), dimana kelompok diklofenak mempunyai lebar pupil sedikit lebih lebar dibandingkan dengan kelompok plasebo.Kesimpulan: Pemberian natrium diklofenak 0.1% tetes mata sebelum pembedahan efektif dalam mempertahankan dilatasi pupil selama pembedahan katarak dengan tehnik standar katarak ekstra kapsular dalam pembiusan lokal.Kata kunci: Natrium diklofenak topikal - ekstraksi katarak ekstra kapsular - dilatasi - lebar pupil

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Purpose: To determine whether pre-operative topical 0,1% Natrium diclofenac therapy could maintained pupillary dilation during cataract surgery using standard extracapsular cataract technique (ECCE) under local anesthetic.

Subject and methods: This study is a randomized, double-blinded clinical trial. Thirty two patients who met inclusion criteria and underwent cataract surgery with lens implantation were received either topical 0.1% natrium diclofenac or placebo, were given two hours pre-operatively every 15 minutes for four doses. All patients also received three doses of 1% tropicamide and single dose of 10% fenilefrine hidrochloride. Pupillary diameters horizontally was measured the day before surgery, immediately after blefarostat was attached, immediately after irrigation aspiration of lens material, and one day after surgery.

Results: Pupil size on the day before surgery and immediately after blefarostat was attached have no statistically different in both group. Pupil size immediately after irrigation aspiration in diclofenac group was larger compare to placebo, and statistically significant (p<0.O01). The change in pupil size was significantly different in both group (p<0.001), there being smaller decrease in diclofenac group compare with placebo group. Pupil size on one day after surgery was significantly different ( po0.05), where the diclofenac groups has slightly larger pupil.

Conclusions: Pre-operative 0.1% natrium diclofenac drops is effective in maintaining pupillary dilatation during cataract surgery using standard extracapsular cataract technique under local anesthetic.

Key words: topical sodium diclofenac- standard extracapsular cataract surgery-dilatationpupil size.