Clinical Comparison of Three Viscoealsitcs: Healon, healon GV, Provisc

ABSTRACT

Viscoelastics which are used in intraocular surgery sell many kinds as to its unique properties. We intended to valuate the clinical usefulness of three viscoelastics, Healon, Healon GV and Provisc. We performed phacoemulsificatioin and posterior chamber intraocular lens implantation in 26, 28, 29 eyes with each viscoelastics and measured the corneal thickness at preoperatively, postoperative 1 day, 1 week, 1 month, 2 months, 5 months and endothelial cell count at preoperatively, postoperative 2 months. We also analysed the anterior chamber maintenance and easiness of injection and removal during operation, In Healon used group, Preoperative corneal thickness was 549.7+/-24.3micrometer, in Healon GV group, 550.1+/-28.7micrometer, in Provisc group, 543.1+/-39.0micrometer and which were changed into 552.1+/-39.0micrometer, 533.1+/-21.1micrometer, 522.2+/-32.0micrometer at postoperative 5 months respectively, but there was no statistically significant difference between preoperative and postoperative status in all three groups. There was a tendency of slight reduction of endothelial cell count at postoperative 2 month in three groups, but it wasn`t statistically significant, too. Healon GV and Provisc were better in anterior chamber maintenance but injection into anterior chamber and removal by irrigation and aspiration were more easy in Healon used group. So, we suggest all three viscoelastics has hood endothelial protective effect and can be used freely as to their unique properties and the operative situation.