نتایج جستجو برای: clear cornea incision

تعداد نتایج: 223065  

Introduction: Keratoconus is a relatively common disease of cornea in which structural changes within the cornea cause it to thin and change to a conical shape and scar at the central portion of cornea. So far, few methods and drug treatments were introduced due to both lack of accepted animal models to induce experimental keratoconus and limitation of research in human considering ethical issu...

2017
Jennifer Uong Justin P. Chan Henry Hoang Winnie A. På´li˛s¸pi˛s¸ Ranjan Gupta

T husday, M ay 4, 2017 improvement in visual acuity six months post-operatively. Histological examination of explanted corneal tissue confirmed the presence of neurofilament+ axon profiles in the cornea after neurotisation. Analysis of MEG data identified a clear absence of evoked response in the anaesthetic (right) cornea prior to neurotisation. Following neurotisation, an evoked response was ...

2015
Pavel Studeny Deli Krizova Pavel Kuchynka

PURPOSE To describe a surgical method for corneal pocket creation for KeraKlear keratoprosthesis implantation by PocketMaker microkeratome. METHODS We implanted keratoprosthesis KeraKlear in 3 patients. In all cases, we used a microkeratome PocketMaker to create a corneal pocket, where the incision was made at a depth of 300 µm with a vibrating diamond blade. RESULTS Although corneas have b...

2015
Sofia Theodoulidou Ioannis Asproudis Christos Kalogeropoulos Aristidis Athanasiadis Miltiadis Aspiotis

PURPOSE To study the changes in corneal astigmatism after cataract surgery when the sideport incision is performed at a predetermined location away from the tunnel incision. SETTING General Hospital of Piraeus "Tzaneio", Attiki, Greece. MATERIALS AND METHODS A total of 333 eyes with corneal astigmatism ≤1.5 diopters (D) underwent cataract surgery. A three-step superotemporal clear corneal i...

Journal: :Computers in biology and medicine 2009
Kup-Sze Choi Sophia Soo Korris Fu-Lai Chung

This paper presents the development of a low-cost cataract surgery simulator for trainees to practise phacoemulsification procedures with computer-generated models in virtual environments. It focuses on the training of cornea incision, capsulorrhexis and phaco-sculpting, which are simulated interactively with computationally efficient algorithms developed for tissue deformation, surface cutting...

Journal: :Cornea 2013
Gustavo Bonfadini Hamilton Moreira Albert S Jun Mauro Campos Eun Chul Kim Eduardo Arana Márcio Zapparoli Jurandir M Ribas Filho Peter J McDonnell

A variation of the femtosecond laser-assisted sutureless anterior lamellar keratoplasty technique using a femtosecond laser incision for surgical management of anterior corneal disease is described. Six patients with corneal scars were treated with the laser to create a horizontal lamellar bed interface in the cornea of the donor and recipient eyes, with a manual partial-thickness vertical trep...

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