نتایج جستجو برای: eyes distance

تعداد نتایج: 287551  

2016
Tian Han Ke Zheng Yingjun Chen Yang Gao Li He Xingtao Zhou

BACKGROUND To investigate long-term refractive outcomes, wavefront aberrations and quality of life after small incision lenticule extraction (SMILE) for moderate to high myopia. METHODS A total of 26 patients (47 eyes) with preoperative mean spherical equivalent (SE) of -6.30 ± 1.47 diopters (D) who underwent SMILE were recruited. The measurements included uncorrected distance visual acuity (...

2016
Alice T. Epitropoulos

Purpose. To evaluate outcomes in astigmatic patients implanted with the Trulign (Bausch + Lomb) toric presbyopia-correcting intraocular lens (IOL) during cataract surgery in a clinical practice setting. Methods. Retrospective study in 40 eyes (31 patients) that underwent cataract extraction and IOL implantation in a procedure using intraoperative wavefront aberrometry guidance (ORA system). End...

2017
Melisa Ahmedbegovic Pjano Ajla Pidro Alma Biscevic Senad Grisevic Bojana Pandzic Vesna Cerovic

OBJECTIVES The aim was to examine efficacy and safety after Implantable Collamer Lens (ICL) implantation for correction of myopia et myopic astigmatism. METHODS This prospective clinical study included 28 eyes of 16 patients which underwent implantation of ICL for correction of myopia up to -18,00 diopters (D) and myopic astigmatism up to -6,00 D in the Eye Clinic Svjetlost Sarajevo, from Jan...

2015
Rafic Antonios Ali Dirani Ali Fadlallah Elias Chelala Adib Hamade Carole Cherfane Elias Jarade

Purpose. To evaluate the long-term safety and clinical outcome of phakic Visian toric implantable collamer lens (ICL) insertion after corneal collagen cross-linking (CXL) in progressive keratoconus. Methods. This was a retrospective study of 30 eyes (19 patients), with progressive keratoconus, who underwent sequential CXL followed by Visian toric ICL implantation after 6 months. Results. At bas...

2014
Barbara Nowacka Wojciech Lubiński Krystyna Honczarenko Andrzej Potemkowski Krzysztof Safranow

BACKGROUND The aim of this study was to determine the type and frequency of ophthalmologic changes occurring in patients with Parkinson disease (PD). MATERIAL/METHODS One hundred consecutive patients (196 eyes) with idiopathic PD and a control group consisting of 100 healthy patients (196 eyes) matched for age and sex underwent a complete ophthalmological examination of both eyes, including a...

2013
Ahmet Demirok Alper Agca Engin Bilge Ozgurhan Ercument Bozkurt Ugur Celik Ali Demircan Nimet Burcu Guleryuz Kadir İlker Cankaya Omer Faruk Yilmaz

AIMS To report our initial experience with femtosecond lenticule extraction (FLEX) compared with femtosecond laser-assisted in situ keratomileusis (LASIK). SETTINGS AND DESIGN This was a prospective pilot study carried out at the Refractive Surgery Department of the Beyoglu Eye Training and Research Hospital, Istanbul, Turkey. MATERIALS AND METHODS Surgery was performed on both eyes of 14 c...

2014
Mohammad Ghoreishi Reihane Agherian Ali Reza Peyman Hamid Feshareki Mohadeseh Mohammadinia

PURPOSE To assess the visual and refractive outcomes of flexible toric iris claw phakic intraocular lens implantation for correction of moderate to high myopia with astigmatism. METHODS In this non-randomized prospective study, 31 eyes of 18 patients including 8 male and 10 female subjects with mean age of 27.62±5.53 (range 19 to 38) years with moderate to high myopia and astigmatism underwen...

Journal: :Journal of refractive surgery 2013
Waleed Al-Tuwairqi Mazen M Sinjab

PURPOSE To evaluate the safety and efficacy of intrastromal corneal ring segments (ICRS) implantation followed by same-day topography-guided photorefractive keratectomy (PRK) and ultraviolet-A/riboflavin collagen cross-linking (CXL) in patients with low to moderate keratoconus. METHODS Patients with low to moderate keratoconus and contact lens intolerance were included in the study. All patie...

Journal: :Investigative ophthalmology & visual science 2011
Manoharan Shunmugam Sudhakaran Shunmugam Tom H Williamson D Alistair Laidlaw

PURPOSE The primary aim of this study was to evaluate the efficiency of air-gas exchange techniques and the factors that influence the final concentration of an intraocular gas tamponade. Parameters were varied to find the optimum method of performing an air-gas exchange in ideal circumstances. METHODS A computer model of the eye was designed using 3D software with fluid flow analysis capabil...

Journal: :Mechanisms of ageing and development 1992
S Tamm E Tamm J W Rohen

The age-related changes of the ciliary muscle of human eyes (33-87 years) were studied on histological meridional sections. Eighty-five melanoma eyes and 10 eyes of normal donors were investigated. The total area and the length of the muscle, the area of the three main portions and the distance of the inner apex of the muscle to the scleral spur were determined and correlated with age. Total ar...

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