Telah dilakukan penelitian mengenai penurunan tekanan bola mata oleh gabungan suntikan anestesia retrobulbar dan penekanan bola mata dibandingkan dengan penurunan tekanan bola mata oleh penekanan bola mata saja pada 20 pasien katarak di ruang bedah bagian mata RSCM, dengan. umur 40 - 72 tahun, dengan tekanan bola mata awal 10,2 - 17.3 mmHg. Kelompok I yaitu yang diberi suntikan retrobulbar marcain 0,5% 1 ml dan xylocain 2% 1 ml dan penekanan bola mata 30 mmBg selama 15 menit, dilakukan pada mata yang akan dioperasi,sebanyak 20 mata. Kelompok II yaitu yang diberi penekanan bola mata saja 30 mmBg selama 15 menit, dilakukan pada mata sebelahnya, sebanyak 20 mata.

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A study has been conducted on the reduction of intraocular pressure by a combination of retrobulbar anesthesia injection and intraocular compression compared to the reduction of intraocular pressure by intraocular compression alone in 20 cataract patients in the chamber surgery of the RSCM eye, with. age 40 - 72 years, with an initial eyeball pressure of 10.2 - 17.3 mmHg. Group I, namely those who were given 1 ml of 0.5% marcain retrobulbar injection and 1 ml of xylocaine 2% and 30 mmBg eyeball pressure for 15 minutes, were performed on the eye to be operated on, as many as 20 eyes. Group II, which is given an eyeball pressure of only 30 mmBg for 15 minutes, is carried out on the next eye, as many as 20 eyes.