نتایج جستجو برای: high myopic astigmatism
تعداد نتایج: 2064799 فیلتر نتایج به سال:
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...
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...
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...
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...
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)...
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...
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 ...
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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