نتایج جستجو برای: plastic lens

تعداد نتایج: 105212  

Journal: :journal of current ophthalmology 0
محمد قریشی mohammad ghoreishi زهرا جعفرزاده zahra jafarzadeh علیرضا پیمان alireza peyman آزاده محمدی azadeh mohammadi محدثه محمدی نیا mohadeseh mohammadinia

purpose : to assess the visual and refractive outcomes after implantation of toric implantable collamer lens (t-icl) in compound myopic astigmatism methods : in this prospective study, 28 eyes with manifest refraction spherical equivalent (mrse) errors of -10.94±4.09 diopter (d) and mean cylindrical errors of -3.47±1.39 d underwent t-icl implantation. six months after surgery, best corrected an...

Journal: :journal of current ophthalmology 0
اکبر درخشان akbar derakhshan مجتبی ابریشمی mojtaba abrishami پرویز معروزی parviz maerozi رامین دانشور ramin daneshvar

purpose : cataract surgery is the most common ocular surgery worldwide and in modern era of phacoemulsification with posterior chamber intraocular lens (pc iol) implantation, refractive aspects of surgery is as important as the surgery itself. after the iol implantation, the anterior chamber depth (acd) is increased and the iridiocorneal angle is widened. these changes should be considered for ...

Journal: :iranian journal of parasitology 0
hoda abedkhojasteh department of parasitology and mycology, school of public health, tehran university of medical sciences, tehran, iran. maryam niyyati department of medical parasitology and mycology, school of medicine, shahid beheshti university of medical sciences, tehran, iran. firoozeh rahimi farabi eye hospital, tehran university of medical sciences, tehran, iran. mansour heidari farabi eye hospital, tehran university of medical sciences, tehran, iran and department of medical genetics, tehran university of medical sciences, tehran, iran. shohreh farnia department of parasitology and mycology, school of public health, tehran university of medical sciences, tehran, iran. mostafa rezaeian department of parasitology and mycology, school of public health, tehran university of medical sciences, tehran, iran and center for research of endemic parasites of iran (crepi), tehran university of medical sciences, tehran, iran.

background: poor hygiene will provide good condition for corneal infections by opportunistic free-living amoebae (fla) in soft contact lens wearers. in the present study an amoebic keratitis due to hartmannella has been recognized in a 22-year-old girl with a history of improper soft contact lens use. she had unilateral keratitis on her left eye. her clinical signs were eye pain, redness, blurr...

Journal: : 2023

Ultraprecision aspheric cutting process using a monocrystalline diamond tool is widely used in the manufacturing of optical components and their molds/dies. Plastic lenses are molded by injection molding an amorphous electroless Ni-P plated molds/dies decreasing lens surface roughness required. Generally, oblique one methods to decrease force burr, roughness. In this study, was applied mold mat...

2012
Khang T. Nguyen Michael S. Gart John T. Smetona Apas Aggarwal Karl Y. Bilimoria John Y. S. Kim

INTRODUCTION Relative value units (RVUs) were developed as a quantifier of requisite training, knowledge, and technical expertise for performing various procedures. In select procedures, increasing RVUs have been shown to substitute well for increasing surgical complexity and have been linked to greater risk of complications. The relationship of RVU to outcomes has yet to be examined in the pla...

2012
K. Shultz R. C. Mahabir J. Song C. N. Verheyden

Background. The goals of this project were to evaluate the current perspective on letters of recommendation and to assess the need for, and acceptance of, a more standardized letter of recommendation (LOR). Methods. An eight-question survey was distributed to plastic surgery program directors. A five-point Likert scale was selected as a means of quantifying the participants' responses to the su...

2013
Yong-Ha Kim

Many beginning writers, especially medical residents, feel difficulties in writing journal articles. However, illogical and un-scientific papers are not accepted for publication even if their topics are creative and interesting. The authors should do their best to convince reviewers and readers of their opinions using evidence through reasoning, explanation, and data interpretation. The aim of ...

2013
Muhammad Ahmad Humayun Mohmand Nabila Ahmad

BACKGROUND Various studies have been conducted in many countries to determine the perception/awareness about plastic surgery. The present study assessed the views of college students about plastic surgery. METHODS A questionnaire consisted of nine questions regarding the basic knowledge about plastic surgery was randomly distributed among college students. The students were given 20 minutes t...

Journal: :iranian journal of basic medical sciences 0
mohammad reza nikravesh department of anatomy and cell biology, school of medicine, mashhad university of medical sciences, mashhad, iran mehdi jalali department of anatomy and cell biology, school of medicine, mashhad university of medical sciences, mashhad, iran abbas ali moeen department of anatomy, school of medicine, zabol university of medical sciences, zabol, iran mohammad hassan karimfar department of anatomy, school of medicine, qazvin university of medical sciences, qazvin, iran shahin saeidi nejat school of health, mashhad university of medical sciences, mashhad, iran shabnam mohammadi department of anatomy and cell biology, school of medicine, mashhad university of medical sciences, mashhad, iran

objective(s) extracellular matrix (ecm) and basement membrane (bm) play important roles in many developmental processes during development and after birth. among the components of the bm, collagen fibers specially type iv are the most important parts. the aim of this study was to determine the time when collagen type iv appears in the bm of lens structure during mouse embryonic development. mat...

Journal: :journal of current ophthalmology 0
teresa ferrer-blasco santiago garcía-lázaro césar albarrán-diego lurdes belda-salmerón robert montés-micó

purpose : to evaluate distance and near contrast sensitivity (cs) under photopic and mesopic conditions before and after refractive lens exchange (rle) and implantation of the aspheric acrysof restor (sn6ad3 model) intraocular lens (iol) methods : sixty eyes of 30 consecutive patients after rle underwent bilateral implantation with the aspheric acrysof restor iol. the patients sample was divide...

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