نتایج جستجو برای: plastic lens

تعداد نتایج: 105212  

Journal: :بینا 0
فرید کریمیان f karimian ophthalmic research center, shahid beheshti university of medical sciences, tehran, iranدانشگاه علوم پزشکی شهید بهشتی علیرضا برادران رفیعی a baradaran rafii ophthalmic research center, shahid beheshti university of medical sciences, tehran, iranدانشگاه علوم پزشکی شهید بهشتی جواد هاشمیان j hashemian tehran university of medical sciences, tehran, iranدانشگاه علوم پزشکی تهران علی هاشملو a hashemloo ophthalmic research center, shahid beheshti university of medical sciences, tehran, iranدانشگاه علوم پزشکی شهید بهشتی ابراهیم جعفری e jafari tehran university of medical sciences, tehran, iranدانشگاه علوم پزشکی تهران مهدی یاسری m yaseri ophthalmic research center, shahid beheshti university of medical sciences, tehran, iranگروه بهداشت و آمار حیاتی- دانشگاه علوم پزشکی تهران

purpose: to compare visual outcomes and surgical complications of three phakic intraocular lenses (piols); artisan, artiflex and the implantable collamer lens (icl) for correction of moderate to high myopia. methods: in this historical cohort study, 112 myopic eyes that were operated between 2005 and 2010 and implanted with one of these three piols were evaluated (artisan 40 eyes, artiflex 36 e...

Journal: :international journal of preventive medicine 0
hasan razmjoo elham abdi sayna atashkadi mohamad reza akhlaghi ali reza peyman mojtaba akbari

background: silicon hydrogel bandage contact lenses are used to enhance epithelial healing, control surface-generated pain, and prevent epithelial erosions after refractive surgery. considering the importance of faster reepithelialization in preventing complications of photorefractive keratectomy (prk) and the fact that the features and specifications of these commercially-available lenses are ...

زکریایی, سید سلمان, صبا, ولی اله, ولی زاده, عبدالله,

Introduction: Eye lens is a very sensitive organ to the x-ray radiation and cataract could be formed as a result of eye exposure. Computed tomography (CT) is one of the main exposure sources in clinical situations and brain imaging delivers high amount of exposure to the eye lens. To reduce eye lens dose, efficient dose reduction methods have to be developed and implemented. In this paper, the ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده برق و کامپیوتر 1393

آرایه فازی به منظور هدایت بیم در راستایی خاص نیازمند شبکه تغذیه ویژه ای می باشد. رتمن لنز به عنوان یکی از این ساختارهای تغذیه با قابلیت تحریک چند بیم در زوایای متفاوت در یک زمان، استفاده گسترده ای پیدا کرده است. در این پژوهش مهم ترین عوامل موثر بر پهنای باند این شبکه در ساختار مایکرواستریپ، که شبکه تطبیق امپدانس، رفتار انتشاری موج در بخش صفحات موازی و خطای فاز خطوط انتقال می باشند، بررسی شده و ...

Journal: :Journal of cataract and refractive surgery 2004
Jonathan G Crowston Paul R Healey Charles Hopley Geof Neilson E John Milverton Anthony Maloof

PURPOSE To investigate the effect of distilled deionized water (DDW) on lens epithelial cells (LECs) attached to the lens capsule. SETTING Wound Healing Research Laboratory, Center for Vision Research, Westmead Hospital, Sydney, NSW, Australia. METHODS Anterior capsulotomy specimens taken during routine cataract surgery were divided in half. One half was immersed in DDW and the other half i...

Journal: :Jurnal Visi Komunikasi 2022

Feature included in journalistic products that explain the problem depth and sharp but with an interesting mild language style. The television news feature ‘Setengah Hati Kurangi Plastik’ carries theme of environmental issues focus on plastic waste, which is a serious world including Indonesia. results research from researchers University Georgia, United States, Dr. Jenna Jambeck, Indonesia sec...

Journal: :The Journal of Cell Biology 1984
J G Heathcote R R Bruns R W Orkin

Rabbit lens epithelial cells display a similar "cobblestone" morphology and produce the same complement of sulphated macromolecules (also see Heathcote, J.G., and R.W. Orkin, 1984, J. Cell Biol., 99:852-860) whether grown on plastic or glass, dried films of gelatin or type IV collagen with laminin, or on gels of type I collagen. There was no evidence of basement membrane formation by these cell...

Journal: :Plastic and reconstructive surgery 2016
Rod J Rohrich Eduardo D Rodriguez Jacob G Unger

The annual American Society of Plastic Surgeons’ “Plastic Surgery: The Meeting” is always filled with great educational events and endeavors, and the 2015 gathering in Boston was truly exceptional. Perhaps the most memorable and most rewarding panel that we had the honor and pleasure to be a part of was the Medical Student Session, moderated by one of the first Plastic and Reconstructive Surger...

2017
Doaa F. Andejani Sami I. Al-Issa Mohammad M. Al-Qattan

Background A literature review did not reveal any study investigating the prevalence of depression among plastic surgery residents. Methods We conducted a cross-sectional mail survey and included all Saudi Plastic Surgery residents in our local program in Saudi Arabia. The Beck Depression Inventory II was used. Results The inventory showed that mild, moderate, and severe depressive symptoms...

Journal: :Medical humanities 2000
Søren Holm

Aesthetic plastic surgery is a branch of medicine using surgical techniques to alter the appearance of patients. In this paper it is considered whether aesthetic plastic surgery should be viewed as an art form. The question is answered by trying to see how aesthetic plastic surgery fits a number of classical concepts in philosophical aesthetics, concepts such as “artist” and “work of art”. Furt...

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