Randomized prospective comparison of visian toric implantable collamer lens and conventional photorefractive keratectomy for moderate to high myopic astigmatism
| Autor: | Monica L. Sanders, Steven C. Schallhorn, Donald R. Sanders, David J. Tanzer |
|---|---|
| Rok vydání: | 2007 |
| Předmět: |
Adult
Male medicine.medical_specialty Phakic Intraocular Lenses Visual acuity genetic structures Mesopic vision medicine.medical_treatment Visual Acuity Emmetropia Astigmatism Phakic intraocular lens Refraction Ocular Photorefractive Keratectomy Severity of Illness Index Contrast Sensitivity Optics Lens Implantation Intraocular Predictive Value of Tests Ophthalmology medicine Myopia Humans Postoperative Period Dioptre Implantable collamer lens business.industry medicine.disease eye diseases Photorefractive keratectomy Eyeglasses Treatment Outcome Surgery Female Lasers Excimer medicine.symptom business Follow-Up Studies |
| Zdroj: | Journal of refractive surgery (Thorofare, N.J. : 1995). 23(9) |
| ISSN: | 1081-597X |
| Popis: | PURPOSE: To compare the Visian Toric Implantable Collamer Lens (TICL), a toric phakic intraocular lens (IOL), and photorefractive keratectomy (PRK) in the correction of moderate to high myopic astigmatism. METHODS: This prospective, randomized study consisted of 43 eyes implanted with the TICL (20 bilateral cases) and 45 eyes receiving PRK with mitomycin C (22 bilateral cases) with moderate to high myopia (-6.00 to -20.00 diopters [D] sphere) measured at the spectacle plane and 1.00 to 4.00 D of astigmatism. All patient treatment and follow-up occurred at the Naval Medical Center San Diego. Study follow-up was 1 day, 1 week, 1, 3, 6, and 12 months postoperative. RESULTS: Mean best spectacle-corrected visual acuity (BSCVA), change in BSCVA, proportion of cases with improvement of 1 or more lines of BSCVA, proportion of cases with BSCVA and uncorrected visual acuity (UCVA) 20/12.5 or better, proportion of cases with BSCVA and UCVA 20/16 or better (6 months, 88% vs 54%, P=. 002), and predictability ?1.00 D (6 months, 100% vs 67%, P CONCLUSIONS: The TICL performed better than PRK in all measures of safety (BSCVA), efficacy (UCVA), predictability, and stability in this comparison, supporting the TICL as a viable alternative to existing refractive surgical treatments. [J Refract Surg. 2007;23:853-867.] |
| Databáze: | OpenAIRE |
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