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Use of silicon hydrogel contact lenses at photorefractive keratectomy postoperative. Autors: Gustavo Victor, Luiz Humberto Teixeira Bóro, Daniela Akemi Miyamoto, Marcos Alonso Garcia, Clarissa Machado Odloak, Rafael Saran Arcieri . Cornea Sector – Department of Ofthalmology

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use of silicon hydrogel contact lenses at photorefractive keratectomy postoperative
Use of silicon hydrogel contact lenses at photorefractive keratectomy postoperative

Autors: Gustavo Victor, Luiz Humberto Teixeira Bóro, Daniela Akemi Miyamoto, Marcos Alonso Garcia, Clarissa Machado Odloak, Rafael Saran Arcieri

.

Cornea Sector – Department of Ofthalmology

Ana Costa Hospital of Santos - HAC

There is no financial interest by the author and coauthor’s in this poster issue

treatment of pseudophakic cme with a single intravitreal triamcinolone acetonide injection
Treatment of Pseudophakic CME with a Single IntravitrealTriamcinoloneAcetonide Injection

Use of silicon hydrogel contact lenses at photorefractive keratectomy postoperative

Purpose: Evaluate the influence of two different types of contact lenses at the corneal reepithelialization and at the patients' subjective comfort after the accomplishment of photorefractive keratectomy (PRK) with mitomicyn C 0,02%.

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Treatment of Pseudophakic CME with a Single IntravitrealTriamcinoloneAcetonide Injection

Use of silicon hydrogel contact lenses at photorefractive keratectomy postoperative

Method: It is a prospective, masked, randomized study. Forty eyes (20 patients), with spherical equivalent between -1,00 SE to -5,00 SE were divided in two groups. Hydrogel group: eyes that received silicon hydrogel contact lens and Gelatinous group: contralatteral eyes that received gelatinous contact lens after surgery. All patients must had the two types of contact lens, one in each eye. All patients were submitted a PRK with mitomicyn C 0,02% for 30 seconds. All patients answered a questionary from first to seventh day postopereative, daily. To measured reepithelization biomicroscopy was used.

use of silicon hydrogel contact lenses at photorefractive keratectomy postoperative1
Use of silicon hydrogel contact lenses at photorefractive keratectomy postoperative

Results: None of the eyes had reepithelialization in the first day. In the third day, 03 eyes of the silicone group and 02 eyes of the gelatinous group had complete reepithelialization. Half of the patients of the hydrogel group and twelve patients of the gelatinous group presented complete reepithelialization to the fifth day. Two patients of the hydrogel group and one of the gelatinous group did not complete reepithelialization up to the seventh day. The speed of reepithelialization between the first and third thing, between the third and the fifth and between the fifth and seventh days were 35,60±12,90mm2 x 34,72±13,60, 2,56±3,75mm2 x 2,77±5,17mm2 and 0,5±1,09mm2 x 0,42±1,45mm2 in the hydrogel and gelatinous groups respectively.

use of silicon hydrogel contact lenses at photorefractive keratectomy postoperative2
Use of silicon hydrogel contact lenses at photorefractive keratectomy postoperative

Conclusions: Our datas showed that there is a tendency to reepitelizacion faster on patients that used hidrogel lens. Others studies with more patients are needed to confirm this datas.

use of silicon hydrogel contact lenses at photorefractive keratectomy postoperative3
Use of silicon hydrogel contact lenses at photorefractive keratectomy postoperative

Table 1 reepithelialization area

use of silicon hydrogel contact lenses at photorefractive keratectomy postoperative4
Use of silicon hydrogel contact lenses at photorefractive keratectomy postoperative

Table 2 reepithelialization speed