نتایج جستجو برای: myopic astigmatism
تعداد نتایج: 7193 فیلتر نتایج به سال:
PREVALENCE OF KERATOCONUS IN PATIENT COMING FOR LASIK FOR CORRECTION OF MYOPIA OR MYOPIC ASTIGMATISM
PURPOSE To evaluate postoperative astigmatism with regard to incision-induced astigmatism and deviation in axial alignment with the use of preoperative limbal marking with the Javal keratometer (Haag Streit, Bern, Switzerland) in eyes implanted with the Artisan toric phakic intraocular lens (IOL) (Ophtec, Groningen, The Netherlands). DESIGN Prospective nonrandomized trial. PARTICIPANTS Fift...
PURPOSE To determine the prevalence and risk factors for refractive errors in middle-aged to elderly Singaporeans of Indian ethnicity. METHODS A population-based, cross-sectional study of Indians aged over 40 years of age residing in Southwestern Singapore was conducted. An age-stratified (10-year age group) random sampling procedure was performed to select participants. Refraction was determ...
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