نتایج جستجو برای: pseudophakic

تعداد نتایج: 857  

Journal: :Transactions of the American Ophthalmological Society 2004
M Edward Wilson

PURPOSE To describe and analyze pediatric anterior capsulotomy techniques and make recommendations. METHODS Five anterior capsulotomy techniques were compared using a porcine model. Extensibility was measured by calculating the mean stretch-to-rupture circumference of each capsulotomy (20 eyes per technique) as a percentage of its circumference at rest. Edge characteristics were reviewed usin...

Journal: :Journal of refractive surgery 2007
Patricia A Piers Henk A Weeber Pablo Artal Sverker Norrby

PURPOSE To assess the performance and optical limitations of standard, aspheric, and wavefront-customized intraocular lenses (IOLs) using clinically verified pseudophakic eye models. METHODS White light pseudophakic eye models were constructed from physical measurements performed on 46 individual cataract patients and subsequently verified using the clinically measured contrast sensitivity fu...

2015
Salvatore Di Lauro Melissa Castrejón Itziar Fernández Jimena Rojas Rosa M. Coco María R. Sanabria Enrique Rodríguez de la Rua J. Carlos Pastor

Purpose. To quantify the frequency of visual loss after successful retinal detachment (RD) surgery in macula-on patients in a multicentric, prospective series of RD. Methods. Clinical variables from consecutive macula-on RD patients were collected in a prospective multicentric study. Visual loss was defined as at least a reduction in one line in best corrected visual acuity (VA) with Snellen ch...

Journal: :The British journal of ophthalmology 1996
K U Bartz-Schmidt B Kirchhof K Heimann

AIM/BACKGROUND Viewing the peripheral retina is the major problem in the repair of pseudophakic retinal detachments. Conventional buckling procedures in pseudophakic eyes are complicated by persistent retinal (re-) detachment and proliferative vitreoretinopathy (PVR) more often than in phakic eyes. METHODS Primary vitrectomy was performed in 33 consecutive cases for pseudophakic retinal detac...

Journal: :The British journal of ophthalmology 2016
Toshiya Yamamoto Takahiro Hiraoka Tetsuro Oshika

AIM To compare the magnitude of apparent accommodation in pseudophakic eyes with refractive against-the-rule (ATR), with-the-rule (WTR) and minimum astigmatism. Factors associated with apparent accommodation were also examined in each group. METHODS In total, 87 pseudophakic eyes (87 patients) that underwent monofocal intraocular lens (IOL) implantation after uneventful cataract surgery were ...

2016
Wei Fang Jiuke Li Xiaohong Jin Jing Zhai Yuanmin Dai Yumin Li

BACKGROUND Refraction change of silicone oil (SO) tamponade in phakic and aphakic eye has been studied thoroughly; however, it is rarely studied in pseudophakic eye. In this paper we aimed to deduce a theoretical formula predicting refractive shift of silicone oil tamponade in pseudophakic eye and compared it with clinical findings. METHOD A theoretical formula was deduced through strict geom...

Journal: :Journal of Ayub Medical College, Abbottabad : JAMC 2010
Asfandyar Asghar Aziz ur Rehman Waseem H Jafri Yawar Zaman Nasir Bhatti Mazhar ul Hassan

BACKGROUND Rhegmatogenous Retinal detachment (RRD) is relatively unusual in general population: annual incidence is 1:10,000. Objective of this study was to compare the anatomical and functional outcome of primary retinal re-attachment surgery in phakic and pseudophakic eyes. METHODS A case series comparative study was carried out at Al-Ibrahim Eye Hospital, Karachi from July 2008 to June 200...

2012
Ting Liu Yuanyuan Xu Dapeng Sun Lixin Xie

PURPOSE To evaluate histological changes in the corneal stroma in pseudophakic bullous keratopathy. METHODS Twenty-eight patients (28 eyes) with pseudophakic bullous keratopathy underwent therapeutic penetrating keratoplasty at Shandong Eye Institute between January 2006 and November 2011. The patients were divided into two groups according to the duration of bullous keratopathy (<1.0 year gr...

Journal: :Journal of cataract and refractive surgery 2017
Sophie Maedel Nino Hirnschall Natascha Bayer Sabine Markovic Juan Tabernero Pablo Artal Frank Schaeffel Oliver Findl

PURPOSE To evaluate the difference in intraocular lens tilt and decentration measurements with 2 Purkinje meters. SETTING Vienna Institute for Research in Ocular Surgery, Hanusch Hospital, Vienna, Austria. DESIGN Prospective evaluation of diagnostic test. METHODS This single-center study included pseudophakic patients in 2 substudies in which 3 consecutive measurements were performed with...

Journal: :British Journal of Ophthalmology 1996

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