نتایج جستجو برای: bared descemet

تعداد نتایج: 800  

Journal: :Ophthalmic surgery, lasers & imaging : the official journal of the International Society for Imaging in the Eye 2011
George D Kymionis Sonia H Yoo Vasilios F Diakonis Michael A Grentzelos Irini Naoumidi Ioannis G Pallikaris

BACKGROUND AND OBJECTIVE Graft harvesting for Descemet membrane endothelial keratoplasty (DMEK) occurs manually and demonstrates surgical difficulties. In the current study, a mechanical automated technique for preparing a donor Descemet membrane (DM) carrying autologous endothelium for DMEK was evaluated. MATERIALS AND METHODS Ten rabbit corneas were placed on an artificial anterior chamber ...

Journal: :Journal of cataract and refractive surgery 2011
Izzet Can Hasan Ali Bayhan Hale Celik Başak Bostancı Ceran

PURPOSE To use Fourier-domain anterior segment optical coherence tomography (AS-OCT)) to evaluate the main clear corneal incisions (CCIs) in microcoaxial and biaxial cataract surgery, the effects of incision enlargement, and the probable reasons for problematic healing. SETTING Atatürk Training and Research Hospital, 2nd Ophthalmology Department, Ankara, Turkey. DESIGN Cohort study. METHO...

Journal: :بینا 0
سیامک دلفزای باهر s delfazayebaher ophthalmic research center, shahid beheshti university of medical sciences, tehran, iranدانشگاه علوم پزشکی شهید بهشتی- تهران- ایران سپهر فیضی s feizi shahid beheshti university of medical sciencesدانشگاه علوم پزشکی شهید بهشتی- تهران- ایران محمدعلی جوادی ma javadi shahid beheshti university of medical sciencesدانشگاه علوم پزشکی شهید بهشتی- تهران- ایران محمدرضا جعفری نسب mr jafarinasab shahid beheshti university of medical sciencesمرکز تحقیقات اپیدمیولوژی بیماری های چشم- دانشگاه علوم پزشکی شهید بهشتی- تهران- ایران علیرضا برادران رفیعی ar baradaran rafii shahid beheshti university of medical sciencesمرکز تحقیقات مهندسی بافت چشم- دانشگاه علوم پزشکی شهید بهشتی- تهران- ایران محمدمهدی صدوقی mm sadoghi shahid beheshti university of medical sciencesدانشگاه علوم پزشکی شهید بهشتی- تهران- ایران امیر فرامرزی

purpose: to describe a new noninvasive method to assure correct orientation of donor lenticules in descemet stripping automated endothelial keratoplasty (dsaek) surgery. methods: dsaek surgery was performed in three eyes with the diagnosis of pseudophakic bullous keratopathy (pbk). for the laboratory part of the study, two whole globes and two precut corneoscleral buttons were used. the donor l...

2017
Hui Shi Xiao-feng Qi Tao-tao Liu Qian Hao Xiao-hong Li Ling-ling Liang Yi-miao Wang Zhi-hua Cui

BACKGROUND Pre-Descemet corneal dystrophy (PDCD) is characterized by the presence of numerous, tiny, polymorphic opacities immediately anterior to Descemet membrane, which is a rare form of corneal stromal dystrophy and hard to be diagnosed. In vivo confocal microscopy (IVCM) is a useful tool to examine the minimal lesions of the cornea at the cellular level. In this article, we report a rare c...

Journal: :General physiology and biophysics 1992
K H Bohuslavizki W Hänsel A Kneip E Koppenhöfer A Reimers

Multiple sclerosis (MS) is a demyehnating disease of the central nervous system with a focal loss of myelin (plaques) which leaves the bared axon cylinder physically intact for quite a long time after the onset of the disease The variety of localization of plaques and the great number of abnormal modes of impulse conduction give rise to the complex functional deficits seen in MS (Waxman 1981) N...

2017
P Rosetta E F Legrottaglie R Vinciguerra P Vinciguerra

Purpose To report a case of a Descemet membrane's (DM) detachment after radial keratotomy (RK). Methods A patient (male) underwent RK (16 cuts) 20 years before referring to the Eye Center of Humanitas (Milan) for a progressive visual loss. The slit-lamp examination showed severe corneal stromal edema and a large DM detachment in the lower half of the cornea. Anterior segment optical coherence...

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