Repeatability of corneal parameters with Pentacam after laser <i> in situ</i> keratomileusis

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Central corneal thickness measurements using Orbscan II, Visante, ultrasound, and Pentacam pachymetry after laser in situ keratomileusis for myopia.

PURPOSE To compare corneal pachymetry assessment using 4 measurement methods in eyes after laser in situ keratomileusis (LASIK) for myopia. SETTING Department of Ophthalmology & Visual Sciences, The Chinese University of Hong Kong, Hong Kong Eye Hospital, Hong Kong SAR. METHODS Fifty-two consecutive patients (103 eyes) who had LASIK for the correction of myopia had Orbscan II (Bausch & Lomb...

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Changes in corneal asphericity after laser in situ keratomileusis.

PURPOSE To analyze the origin of the changes in corneal asphericity (p-factor) after laser in situ keratomileusis (LASIK) and the effect of postsurgery asphericity on contrast-sensitivity function (CSF) under photopic conditions. SETTING Department of Optics, University of Granada, Granada, Spain. METHODS The p-factor and CSF (best corrected before surgery and 1, 3, and 6 months after surge...

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Traumatic corneal flap displacement after laser in situ keratomileusis (LASIK)

BACKGROUND Laser in situ keratomileusis (LASIK) is the most common and popular procedure performed for the correction of refractive errors in the last two decades. We report a case of traumatic flap displacement with flap folding which occurred 3 years after LASIK was performed. Previous literature suggests that vision prognosis would be closely related to proper and prompt management of trauma...

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Repeatability of corneal first-surface wavefront aberrations measured with Pentacam corneal topography.

PURPOSE To assess the repeatability of corneal wavefront aberrations derived from Pentacam (Oculus) corneal topography. SETTING Flinders Eye Centre, Flinders Medical Centre, Bedford Park, South Australia, Australia. METHODS Forty-five normal participants and 10 participants with keratoconus were tested. Intraobserver and interobserver repeatability was determined using 4 observers within an...

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Corneal irregular astigmatism after laser in situ keratomileusis for myopia.

AIMS To quantitatively evaluate the changes in corneal irregular astigmatism after laser in situ keratomileusis (LASIK) in relation to the amount of laser ablation. METHODS In 189 eyes of 116 patients undergoing LASIK for myopia, corneal topography was obtained before and 1 month after surgery. Using Fourier harmonic analysis of the topography data, corneal irregular astigmatism (asymmetry an...

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ژورنال

عنوان ژورنال: Indian Journal of Ophthalmology

سال: 2007

ISSN: 0301-4738

DOI: 10.4103/0301-4738.33819