نتایج جستجو برای: high myopic astigmatism

تعداد نتایج: 2064799  

2013
Tai-xiang Liu Xin Luo

OBJECTIVES To assess the stability of axis and patient satisfaction after toric visian implantable collamer lens (TICL) implantation for moderate to high myopic astigmatism. METHODS Total 33 eyes of 21 consecutive patients who underwent implantation of TICL for the correction of moderate to high myopic astigmatism were recorded and a minimum follow-up of six months was performed. The deviatio...

Journal: :Digital journal of ophthalmology : DJO 2009
Mona Harissi-Dagher Sonja A F Frimmel Samir Melki

Purpose To describe the case of a patient developing corneal ectasia following LASIK for the correction of myopic astigmatism. Materials and Methods A 39-year-old man underwent bilateral uneventful LASIK for myopic astigmatism of -10.25 -1.75 ×040 OD and -8.00 -2.50 ×005 OS. Preoperative corneal pachymetry was 542 micrometers OD and 543 micrometers OS. Preoperative corneal topography showed b...

Journal: :Vision Research 2002
Ji C. He Pei Sun Richard Held Frank Thorn Xiuru Sun Jane E. Gwiazda

Wavefront aberrations were measured using a psychophysical ray-tracing technique in both eyes of 316 emmetropic and moderately myopic school children and young adults. Myopic subjects were found to have greater mean root mean square (RMS) value of wavefront aberrations than emmetropic subjects. Emmetropic adults had the smallest mean RMS, which remained smaller than the values for myopic adults...

Journal: :The British journal of ophthalmology 1987
K A Gross J L Pearce

A retrospective series of 117 highly myopic eyes with extracapsular cataract extractions and posterior chamber lens implants is presented. The results are analysed with reference to the current understanding of the complications anticipated. Of particular note is the use of low-powered posteriorly vaulted posterior chamber implants, with and without primary posterior capsulotomy. The results sh...

Journal: :بینا 0
سیدجواد هاشمیان j hashemian iran university of medical sciences, tehran, iranمرکز تحقیقات چشم- ﺩﺍﻧﺸﮕﺎﻩ ﻋﻠﻮﻡ ﭘﺰﺷﮑﻲ ایران- تهران- ایران عباس شیخ حسنی a shikhhasani iran university of medical sciencesمرکز تحقیقات چشم- ﺩﺍﻧﺸﮕﺎﻩ ﻋﻠﻮﻡ ﭘﺰﺷﮑﻲ ایران- تهران- ایران علیرضا فروتن ar forootan iran university of medical sciences, tehran, iranمرکز تحقیقات چشم- ﺩﺍﻧﺸﮕﺎﻩ ﻋﻠﻮﻡ ﭘﺰﺷﮑﻲ ایران- تهران- ایران محمدجعفر قائم پناه mj ghaempanah iran university of medical sciences, tehran, iranمرکز تحقیقات چشم- ﺩﺍﻧﺸﮕﺎﻩ ﻋﻠﻮﻡ ﭘﺰﺷﮑﻲ ایران- تهران- ایران محمدابراهیم جعفری ma jafari iran university of medical sciences, tehran, iranمرکز تحقیقات چشم- ﺩﺍﻧﺸﮕﺎﻩ ﻋﻠﻮﻡ ﭘﺰﺷﮑﻲ ایران- تهران- ایران مهساسادات هاشمیان m hashemian iran university of medical sciences, tehran, iranمرکز تحقیقات چشم- ﺩﺍﻧﺸﮕﺎﻩ ﻋﻠﻮﻡ ﭘﺰﺷﮑﻲ ایران- تهران- ایران شادرخ نبیلی

purpose: to compare the safety, efficacy, predictability, stability and complications of wavefront-guided laser-assisted subepithelial keratectomy (lasek) in low myopia, myopic astigmatism and high myopia correction. methods: in his retrospective study, 416 eyes were divided to 3 groups: 159 eyes with low myopia (lm) and mean refractive spherical equivalent (mrse) of -3.68±1.33 (sd) diopter (d)...

Journal: :Collegium antropologicum 2001
B Vojniković S Njirić L Bojić D Kovacević

In this study pigmented glaucoma was diagnosed in 29 out of 4350 patients suffering from glaucoma. In clinical analysis of those cases main attention was put on Krukenberg spindle with emphasis on the process and reason of its development. In all cases of Krukenberg spindle moderate myopia and myopic astigmatism were present. The main axis of the spindle lies in the principal meridian of cornea...

2011
Erik L Mertens

PURPOSE The purpose of this study was to assess predictability, efficacy, safety and stability in patients who received a toric implantable collamer lens to correct moderate to high myopic astigmatism. METHODS Forty-three eyes of 23 patients underwent implantation of a toric implantable collamer lens (STAAR Surgical Inc) for astigmatism correction. Mean spherical refraction was -4. 98 ± 3.49 ...

Journal: :بینا 0
مرسل مهریار m mehryar شیراز- بیمارستان خلیلی قربانعلی حسینی gh hosseini دانشگاه علوم پزشکی شیراز محمدحسین روزیطلب mh roozitalab دانشگاه علوم پزشکی شیراز اسدالله کتباب a katbab دانشگاه علوم پزشکی شیراز حمید خوشنیت h khoshnyat دانشگاه علوم پزشکی شیراز سید حمیدرضا جهادی حسینی hr jahadi hosseini دانشگاه علوم پزشکی شیراز پرویز لک

purpose: to evaluate the results of laser in situ keratomileusis (lasik) retreatment in  patients with postoperative regression. methods: in a retrospective interventional case series, 153 eyes of 113 patients who had undergone lasik retreatment for postoperative regression were evaluated. both initial lasik and retreatment were performed with a nidek: ec 5000 excimer laser, and flap was made w...

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