نتایج جستجو برای: keratometry reading

تعداد نتایج: 113152  

2017
Wenwei Li Bin Wang

BACKGROUND The aim of this study was to evaluate the efficacy and safety of transepithelial corneal collagen crosslinking (transepithelial CXL) versus standard corneal collagen crosslinking (epithelium-off CXL) on keratoconus. METHODS Eligible studies were identified by systematically searching PubMed, the Cochrane Library and Embase. Topographic parameters, corrected distant visual acuity (C...

Journal: :Ophthalmology 2017
Peter S Hersh R Doyle Stulting David Muller Daniel S Durrie Rajesh K Rajpal

PURPOSE To evaluate the safety and efficacy of corneal collagen crosslinking (CXL) for the treatment of progressive keratoconus. DESIGN Prospective, randomized, multicenter, controlled clinical trial. PARTICIPANTS Patients with progressive keratoconus (n = 205). METHODS The treatment group underwent standard CXL and the sham control group received riboflavin alone without removal of the e...

Journal: :Investigative ophthalmology & visual science 2002
Gilles Sultan Christophe Baudouin Olivier Auzerie Magdalena De Saint Jean Marie Goldschild Pierre-Jean Pisella

PURPOSE To investigate corneal thickness, curvature, and morphology with the Orbscan Topography System I (Bausch & Lomb, Inc., Salt Lake City, UT) in patients with Marfan syndrome (MFS) and to study MFS with in vivo confocal microscopy. METHODS This prospective, clinical, comparative case series included 60 eyes of 31 patients with MFS and 32 eyes of 17 control subjects. First, biomicroscopic...

Journal: :The professional medical journal 2022

Objectives: To find out the prevalence and severity of keratoconus in spring catarrh patients. Study Design: Descriptive Perspective study. Setting: OPD K.D.A Teaching Hospital Kohat. Period: March 2017 to October 2019. Material & Methods: All patients suffering from were included study after consent. Proper proforma was designed for record. Detail history taken diagnosis all properly exami...

Journal: :The British journal of ophthalmology 2010
Marije L Sminia Jan T H N de Faber Denise J Doelwijt René J Wubbels Martha Tjon-Fo-Sang

AIM To compare the axial eye length growth of the two fellow eyes within one patient after unilateral paediatric cataract surgery and to assess changes in refraction and keratometry. PATIENTS/METHODS A retrospective study in 90 eyes of 45 patients was performed. The 45 patients were divided into group 1 (patients younger than 18 months at the time of surgery, n=25) and group 2 (patients 18 mont...

2011
Muhammad Imran Saleem Muhammad Saleem Channar Muhammad Farhan Saleem

Objective: To determine the difference in mean corneal curvatures before and after pterygium excision, by using automated refraction and keratometry. Methodology: This quasi-experimental study was conducted at Eye Unit-I, Bahawal Victoria Hospital, Bahawalpur, from March 2010 to August 2010. Thirty patients with primary pterygium were analyzed before and after pterygium surgery for corneal curv...

2018
Mi Tian Weijun Jian Ling Sun Yang Shen Xiaoyu Zhang Xingtao Zhou

BACKGROUND Keratoconus typically presents in the teenage years and is more advanced in younger patients when compared with adults. In the present study, we aimed to assess the safety and efficacy of accelerated transepithelial corneal collagen cross-linking (ATE-CXL) in children with progressive keratoconus. METHODS In this retrospective consecutive study, 18 eyes were enrolled from 17 pediat...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده ادبیات و زبانهای خارجی 1393

the purpose of this study was to find the relationship between critical thinking and self-regulation with reading comprehension of iranian female elementary language learners. the present study is a correlational one having a descriptive design. two questionnaires, critical thinking questionnaire and self-regulation questionnaire which were valid and reliable questionnaires and four reading com...

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