Corneal reshaping: is it a good alternative to refractive surgery?
نویسندگان
چکیده
PURPOSE OF REVIEW To review current literature on overnight corneal reshaping and present this mode of vision correction in its current state. RECENT FINDINGS Overnight corneal reshaping uses specially designed rigid gas-permeable contact lenses. It is effective in temporarily reducing or eliminating low to moderate myopia. This nonsurgical mode of vision correction allows for good unaided vision during waking hours. There are reports of young patients experiencing serious adverse events, particularly bacterial and Acanthamoeba keratitis while using these lenses, although incidence rates are unknown. SUMMARY Overnight corneal reshaping is an alternative to refractive surgery and must continue to be studied and monitored to establish its safety.
منابع مشابه
همبستگی آستیگماتیسم رفرکتیو، قرنیهای و لنتیکولار در افراد داوطلب جراحی رفرکتیو
Background and purpose: Astigmatism is a common optical dysfunction, effective on various visual outcomes and one of the important criteria of refractive surgery. The aim of present study was to evaluate the correlation between refractive, corneal and residual astigmatism in refractive surgery candidates. Materials and methods: In this cross-sectional descriptive, analytical study, 200 patient...
متن کاملReshaping procedures for the surgical management of corneal ectasia.
UNLABELLED Corneal ectasia is a progressive, degenerative, and noninflammatory thinning disorder of the cornea. Recently developed corneal reshaping techniques have expanded the treatment armamentarium available to the corneal specialist by offering effective nontransplant options. This review summarizes the current evidence base for corneal collagen crosslinking, topography-guided photorefract...
متن کاملScheimpflug topographical changes after Femtosecond LASIK for mixed astigmatism – theoretical aspects and case study
Objective: To evaluate the corneal topographical changes after Femtosecond-LASIK surgery in eyes with mixed astigmatism. Methods: We present the analysis of the corneal Scheimpflug topographies of a patient treated with Femtosecond-LASIK technique for bilateral mixed astigmatism. Results: Three-dimensional reconstruction maps and differential anterior curvature maps were used to demonstrate the...
متن کاملSuitability of Filofocon A and PMMA for experimental models in excimer laser ablation refractive surgery.
Experimental corneal models in plastic (in PMMA, and more recently in Filofocon A, a contact lens material) have been proposed recently to overcome some of the limitations of the theoretical approaches aiming at improving the predictability of corneal reshaping by laser ablation. These models have also been proposed for accurate assessment of corneal laser ablation patterns. In this study Filof...
متن کاملEffects on visual function of approximations of the corneal-ablation profile during refractive surgery.
We offer an analysis that shows that the approximations made for the ablation depth during practical refractive surgery, in which the square-root terms are replaced by the first two terms of the series expansion, can limit the visual function of the observer by reducing the modulation transfer function (MTF). To simulate the refractive-surgical operation, we considered two groups of myopic pati...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید
ثبت ناماگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید
ورودعنوان ژورنال:
- Current opinion in ophthalmology
دوره 17 4 شماره
صفحات -
تاریخ انتشار 2006