Results 21 to 30 of about 4,680,147 (302)

A pinhole implant to correct postoperative residual refractive error in an RK cataract patient

American Journal of Ophthalmology Case Reports, 2020
Purpose: To report the clinical outcomes after implantation of a pinhole supplementary implant (Xtrafocus, Morcher GmbH, Stuttgart, Germany) to correct fluctuating residual refraction after cataract surgery in a patient with a history of radial ...
Hyeck-Soo Son, Ramin Khoramnia, Christian Mayer, Grzegorz Labuz, Timur M. Yildirim, Gerd U. Auffarth   +5 more
doaj   +1 more source

Does correction for guessing reduce students' performance on multiple-choice examinations? Yes? No? Sometimes? [PDF]

, 2008
Multiple-choice (MC) examinations are becoming increasingly popular in higher education because they can be used effectively to assess breadth of knowledge in large cohorts of students.
Betts, LR, Elder, TJ, Hartley, J, Trueman, M   +3 more
core   +1 more source

Bilateral trifocal IOL implantation in a pediatric case of cataract following steroid-therapy for acute lymphoblastic leukemia

American Journal of Ophthalmology Case Reports, 2019
Purpose: To present the case of a 9-year-old child with bilateral posterior subcapsular cataract developed through steroid treatment for acute lymphoblastic leukemia. Cataract surgery with trifocal intraocular lens implantation was performed in both eyes.
Timur M. Yildirim, Gerd U. Auffarth, Hyeck-Soo Son, Christian Huber, Flemming Beisse, Ramin Khoramnia   +5 more
doaj   +1 more source

In vitro optical quality measurements of three intraocular lens models having identical platform

BMC Ophthalmology, 2017
Background With recent advances in technology and introduction of new intraocular lens (IOL) models, surgeons today have the opportunity to choose from various optical designs, which can influence the postoperative quality of vision.
Hyeck Soo Son, Tamer Tandogan, Stephanie Liebing, Patrick Merz, Chul Young Choi, Ramin Khoramnia, Gerd U. Auffarth   +6 more
doaj   +1 more source

Comparison of Minimally Invasive XEN45 Gel Stent Implantation in Glaucoma Patients Without and With Prior Interventional Therapies

Ophthalmology and Therapy, 2019
Introduction The aim of our analysis was to compare the effectiveness of the XEN45 gel stent implantation in patients without and with prior glaucoma intervention.
Fritz H. Hengerer, Gerd Auffarth, Ina Conrad-Hengerer   +2 more
doaj   +1 more source

Studying top quark decay into the polarized W-boson in the TC2 model

, 2005
We study the decay mode of top quark decaying into Wb in the TC2 model where the top quark is distinguished from other fermions by participating in a strong interaction.
C. A. Nelson, Qiaoli Zhang, Qingpeng Qiao, R. Frey, Xuelei Wang   +4 more
core   +1 more source

Evaluation of Dry Eye Treatment with Sodium Hyaluronate- and Dexpanthenol-Containing Eye Drops on Ocular Surface Improvement after Cataract Surgery

Diagnostics
Background: To clinically evaluate how dry eye symptoms in preoperatively diagnosed dry eye patients change with the use of sodium hyaluronate- and dexpanthenol-containing eye drops (HYLO CARE (HC), URSAPHARM Arzneimittel GmbH, Saarbruecken, Germany ...
Maximilian K. Köppe, Mustafa K. Hallak, Annette L. Stengele, Ramin Khoramnia, Gerd U. Auffarth   +4 more
doaj   +1 more source

Gravitational Corrections to $\Phi^{4}$ Theory with Spontaneously Broken Symmetry

, 2012
We consider a complex scalar $\Phi^4 $ theory with spontaneously broken global U(1) symmetry, minimally coupling to perturbatively quantized Einstein gravity which is treated as an effective theory at the energy well below the Planck scale.
B. S. DeWitt, D. Bardin, G. ’t Hooft, Hao-Ran Chang, Wen-Tao Hou, Yi Sun   +5 more
core   +1 more source

The Problem of Cyclotorsion in the Correction of Myopia and Myopic Astigmatism by the SMILE Method

Oftalʹmologiâ
For the treatment of myopia and myopic astigmatism, the most commonly performed laser refractive surgical technique is Laser in situ keratomileusis (LASIK).
T. Yu. Shilova, M. A. Shilova
doaj   +1 more source

Pseudophakic corneal edema caused by Descemet membrane detachment using high-resolution swept-source OCT imaging

GMS Ophthalmology Cases
Background: Small Descemet membrane detachments after cataract surgery are relatively common and most cases do not require any secondary surgical intervention and can be treated conservatively.
Köppe, Maximilian K., Khoramnia, Ramin, Auffarth, Gerd U., Augustin, Victor A.   +3 more
doaj   +1 more source