Corneal Topography With Upper Eyelid Platinum Chain Implantation Using the Pretarsal Fixation Technique
Medical hypothesis discovery and innovation in ophthalmology,
Vol. 4 No. 1 (2015),
1 March 2015
,
Page 9-13
Abstract
Purpose: To determine the effect of upper eyelid platinum chain implantation, with the pretarsal fixation technique, on corneal astigmatism.Methods: This is a prospective, cohort study. Fifteen eyes of 15 patients underwent upper eyelid platinum chain implantation, with the pretarsal fixation technique, for facial nerve palsy. Information recorded included patient demographics, etiology for facial palsy, weight of the implant, time from onset of paresis to upper eyelid platinum chain implantation, associated surgical procedures, and preoperative and postoperative corneal topography measurements.
Results: Of the 15 patients studied, 10 were male and five were female. The mean age was 55.9 ± 13.8 years (range, 33–87 years). The most common etiology for facial palsy was acoustic neuroma. The weight of the implant ranged from 0.6 to 1.6gr (median 1.2gr). The time from onset of paresis to upper eyelid platinum chain implantation varied from 1 week to 3 months (median 1 month). Four patients had an associated procedure to correct the effect of paralytic ectropion. There was no statistically significant difference in with the rule astigmatism before and after platinum chain implantation.
Conclusions: Upper eyelid platinum chain implantation, with the pretarsal fixation technique, does not appear to cause significant change in corneal astigmatism. This is contrary to data for pretarsal gold weight implantation, which does induce significant with the rule astigmatism.
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