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To compare results of phacoemulsification in eyes with a narrow pupil dilated with Malyugin ring and iris hooks

Poster Details

First Author: T.Bozkurt TURKEY

Co Author(s):    B. Sezgin Akcay   A. Macin   A. Ergin        

Abstract Details


To compare results of phacoemulsification in eyes with a small pupil dilated with Malyugin ring and iris hooks


Umraniye Training and Education Hospital Eye Clinic, Istanbul


Medical charts of 16 patients who underwent phacoemulsification with small pupil that needed assistance of a secondary device (either Malyugin ring(MR) or iris hooks(IH)) were reviewed. The cause of small pupil were pseudoexfoliation (9 eyes), alfa-blockers (4 eyes) and diabetes mellitus (3 eyes). Both groups (Group1 (MR) and Group2 (IH)) consisted of 8 eyes. Patients were examined preoperatively and postoperatively at 1 day and 1 month. LogMAR best-corrected visual acuity (BCVA) at first month, intraoperative and postoperative complications as well as total surgery time were evaluated


Mean preoperative BCVA in Group1 was 0.91±0.21 and in Group2 was 0.93±0.37(p>0.05). At postoperative 1st month, there was a significant improvement in BCVA in both groups(p<0.05) but there was no significant difference between two groups(0.16±0.1 and 0.13±0.1,respectively) (p>0.05)). Four eyes experienced iris distortion after removal of the devices. Iris remained distorted and dilated in one eye in Group1 and 3 eyes in Group2 at postoperative first month, but only 1 eye in Group 2 were symptomatic (photophobia and/or glare). No serious complications were found in both groups. Total surgery time were significantly shorter in Group1(p=0.07)(30.5±4 min.vs.39.1±6.5min.).


In our series, Malyugin ring significantly reduced total surgery time when compared with iris hooks. Both devices worked well to complete the surgeries uneventfully with slightly more distorted iris after using iris hooks

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