Double Extra Sharp Chopper Increase Efficacy of Phacoemulsification for Hard Mature Cataract Surgery

Simanjuntak, Gilbert W S and Tan, Jannes F and Mailangkay, H. H. B. (2008) Double Extra Sharp Chopper Increase Efficacy of Phacoemulsification for Hard Mature Cataract Surgery. In: XXVI Congress Of The ESCRS. ESCRS, Berlin.

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Abstract

PURPOSE: To assess the efficacy and safety of a modified double extra sharp chopper for removal of hard cataract. SETTING: Department of Ophthalmology, Christian University of Indonesia/Cikini Church Hospital, Jakarta, Indonesia. METHODS: The study design was prospective non-comparative interventional clinical study. Forty eyes of 25 patients with hard mature cataract grade 3-4 underwent phacoemulsification by single surgeon and analyzed prospectively (grade 4 as the hardest). The pre-modified Koch chopper was sharpened under slit lamp to become extra sharp at the tip and inside edge, thin as a knife, 2 mm in length. RESULTS: The mean effective phaco time was 23.73 + 5.75 seconds. Minimal power was facilitated by using horizontal chopping using self made double extra sharp chopper. No resistance encountered while moving the chopper instead of cataract persistency. Preoperative BCVA were finger counting (47%), hand movement (35%) and light perception (18%). Postoperative BCVA day 1and day 7 were 0.57and 0.95 respectively. There is no difference of effective phaco time among nuclear hardness (P=0.467) which represents effectiveness of the extra sharp chopper. CONCLUSIONS: Double extra sharp chopper can facilitate a safe, rapid visual rehabilitation, and maximal subject comfort when doing phacoemulsification with old machine for hard mature

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