نتایج جستجو برای: peeling
تعداد نتایج: 2768 فیلتر نتایج به سال:
PURPOSE To evaluate the effect of vitrectomy on the best-corrected visual acuity (BCVA) and postoperative complications in highly myopic eyes with myopic traction maculopathy. METHODS The medical records of 71 eyes of 64 patients with myopic traction maculopathy and high myopia (≤-8.0 diopters and axial length, ≥26.0 mm) were reviewed. Twenty-six eyes had only macular retinoschisis, 30 eyes h...
PURPOSE To investigate the incidence of and risk factors for a dissociated optic nerve fiber layer (DONFL) after epiretinal membrane surgery. METHODS Two hundred and ninety-six primary pars plana vitrectomy operations for epiretinal membrane that were eligible for inclusion in the study. All patients received a complete ophthalmologic examination and color fundus photography, optical coherenc...
Thin adhesive pads used to attach objects to each other often fail catastrophically. Here we consider the nature of failure of such a pad under loading parallel to the adhesive substrate. To determine the modes of failure of the pad and to understand what limits its load bearing capacity, we conduct experiments with finite pads composed of a soft adhesive layer with a stiff backing and load the...
Strengthening of reinforced concrete beams using externally bonded CFRP laminate is the most popular choice. However, premature end peeling of CFRP laminate has been shown to be the main weakness of this method. Development of high shear and normal stresses at the end of strengthening laminate is the key reason to cause end peeling which is not preventable by conventional anchoring system. This...
PURPOSE To investigate long-term ultrastructural changes in the retina after internal limiting membrane (ILM) peeling through the examination of morphologic changes 3 years after vitrectomy in cynomolgus monkeys. DESIGN Laboratory investigation. METHODS Pars plana vitrectomy was performed, followed by ILM peeling, in 2 primate eyes. Ultrastructural changes were investigated using light micr...
Acne vulgaris is an extremely common condition affecting the pilosebaceous unit of the skin and characterized by presence of comedones, papules, pustules, nodules, cysts, which might result in permanent scars. Acne vulgaris commonly involve adolescents and young age groups. Active acne vulgaris is usually associated with several complications like hyper or hypopigmentation, scar formation and s...
We aimed to compare the results of pars plana vitrectomy (PPV) with internal limiting membrane (ILM) peeling, an alternative therapeutic strategy, with those of medical treatment for chronic macular edema. We conducted a review of the literature on the microscopic, anatomical, and functional reasons for performing PPV with ILM peeling in patients with diabetic macular edema (DME). We searched t...
BACKGROUND Chemical peeling is a skin-wounding procedure that may have some potentially undesirable side-effects. AIMS The present study is directed towards safety concerns associated with superficial chemical peeling with salicylic acid in various facial dermatoses. METHODS The study was a non-comparative and a prospective one. Two hundred and sixty-eight patients of either sex, aged betwe...
Context: To clarify if Internal Limiting Membrane (ILM) peeling during Para Plana Vitrectomy (PPV) for diabetic macular hole can improve the visual and anatomical outcome of Diabetic Macular Holes (DMH). Design: Prospective case-control study. Participants: 60 eyes of 60 diabetic patients with DMH. Methods: 30 eyes underwent PPV with ILM peeling (group 1), while PPV only was performed in the ot...
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