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https://www.readbyqxmd.com/read/29236212/post-operative-refractive-prediction-error-after-phacovitrectomy-a-retrospective-study
#1
Gijsbert J Hötte, Daniël P de Bruyn, Joeri de Hoog
INTRODUCTION: Many authors have reported on a myopic post-operative refractive prediction error when combining phacoemulsification with pars plana vitrectomy (phacovitrectomy). In this study we evaluate the amount of this error in our facility and try to elucidate the various factors involved. METHODS: This was a retrospective study which included 140 patients who underwent phacovitrectomy (39 with macular holes, 88 with puckers, and 13 with floaters). Post-operative refractive error was defined as the difference between the actual spherical equivalent (SEQ) and expected SEQ based on the SRK/T and Holladay-II formulas...
December 13, 2017: Ophthalmology and Therapy
https://www.readbyqxmd.com/read/29235262/corrugated-bruch-s-membrane-in-high-myopia
#2
Jost B Jonas, Rahul A Jonas, Kyoko Ohno-Matsui, Leonard Holbach, Songhomitra Panda-Jonas
PURPOSE: To assess the appearance of Bruch's membrane (BM) in axially elongated eyes. METHODS: The light-microscopical investigation included histological anterior-posterior sections of human eyes. Using a light microscope, we assessed whether BM in the posterior segment was straight or locally corrugated. Corrugation of BM was defined as an elevation of BM with a height >20 μm over a basis of 50 μm without collateral proliferations of retinal pigment epithelium or choroidal swelling...
December 13, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29233084/a-model-for-meta-analysis-of-correlated-binary-outcomes-the-case-of-split-body-interventions
#3
Orestis Efthimiou, Dimitris Mavridis, Adriani Nikolakopoulou, Gerta Rücker, Sven Trelle, Matthias Egger, Georgia Salanti
In several areas of clinical research, it is common for trials to assign different sites of the participants' bodies to different interventions. For example, a randomized controlled trial comparing surgical techniques for correcting myopia may randomize each eye of a participant to a different operation. Under such bilateral ('split-body') interventions, the observations from each participant are correlated. It is challenging to account for these correlations at the meta-analysis level, especially when the outcome is rare...
January 1, 2017: Statistical Methods in Medical Research
https://www.readbyqxmd.com/read/29232338/internal-limiting-membrane-peeling-versus-inverted-flap-technique-for-treatment-of-full-thickness-macular-holes-a-comparative-study-in-a-large-series-of-patients
#4
Stanislao Rizzo, Ruggero Tartaro, Francesco Barca, Tomaso Caporossi, Daniela Bacherini, Fabrizio Giansanti
BACKGROUND: The inverted flap (IF) technique has recently been introduced in macular hole (MH) surgery. The IF technique has shown an increase of the success rate in the case of large MHs and in MHs associated with high myopia. This study reports the anatomical and functional results in a large series of patients affected by MH treated using pars plana vitrectomy and gas tamponade combined with internal limiting membrane (ILM) peeling or IF. METHODS: This is a retrospective, consecutive, nonrandomized comparative study of patients affected by idiopathic or myopic MH treated using small-gauge pars plana vitrectomy (25- or 23-gauge) between January 2011 and May 2016...
December 8, 2017: Retina
https://www.readbyqxmd.com/read/29232337/retinal-telangiectasia-in-patients-with-pathologic-myopia-a-case-series
#5
Boya Lei, Ruiping Gu, Chen Jiang, Gezhi Xu
PURPOSE: To describe the characteristics of retinal telangiectasia in eyes with pathologic myopia. METHODS: The study included 10 patients (18 eyes) who were diagnosed with pathologic myopia combined with retinal telangiectasia. The patients visited our retinal clinic every 3 months. Nine eyes underwent vitrectomy for vision-threatening complications after diagnosis. All eyes underwent comprehensive ophthalmologic examinations including multimodal retinal imaging at presentation and at each follow-up...
December 8, 2017: Retina
https://www.readbyqxmd.com/read/29231434/-exploration-on-three-eye-needling-technique-of-acupuncture
#6
Yu Wu, Jie Chen, Shaoling Li, Qing Yuan
The "three eye-needling" technique is one of the important component of Jin's three needling therapy, mainly used for the treatment of eye disorders such as optic atrophy, macular pigment degeneration, myopia, hyperopia, strabismus, amblyopia, diplopia, glaucoma, cataract, etc. In the paper, Jin's "three eye-needling" technique is explored, including the keys of manipulation, operation procedure and basic skills. This technique is particularly for "mind regulation", focusing on tranquilizing, observing and concentrating the mind...
March 12, 2017: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
https://www.readbyqxmd.com/read/29227511/predictive-formula-for-refraction-of-autologous-lenticule-implantation-for-hyperopia-correction
#7
Meng Li, Meiyan Li, Ling Sun, Katherine Ni, Xingtao Zhou
PURPOSE: To create a formula to predict refractive correction of autologous lenticule implantation for correction of hyperopia (with myopia in one eye and hyperopia in the contralateral eye). METHODS: In this prospective study, 10 consecutive patients (20 eyes) who had myopia in one eye and hyperopia in the contralateral eye were included. The preoperative spherical equivalent was -3.31 ± 1.73 diopters (D) for the myopic eyes and +4.46 ± 1.97 D for the hyperopic eyes...
December 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29227510/postoperative-corneal-asphericity-in-low-moderate-and-high-myopic-eyes-after-transepithelial-prk-using-a-new-pulse-allocation
#8
David T C Lin, Simon P Holland, Shwetabh Verma, John Hogden, Samuel Arba-Mosquera
PURPOSE: To evaluate the postoperative asphericity in low, moderate, and high myopic eyes after combined transepithelial photorefractive keratectomy and SmartSurfACE treatment (SCHWIND eye-tech-solutions GmbH, Kleinostheim, Germany). METHODS: In this retrospective case series, the outcomes of myopic SmartSurfACE were evaluated at 3 months postoperatively in 106 eyes and divided into low (less than -4.125 diopters [D]), moderate (-4.125 to -6.25 D), and high (more than -6...
December 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29227509/long-term-follow-up-of-lasek-with-mitomycin-c-performed-to-correct-myopia-in-thin-corneas
#9
Montserrat Garcia-Gonzalez, Pilar Drake Rodriguez-Casanova, Isabel Rodriguez-Perez, Alberto Rodero, Miguel A Teus
PURPOSE: To evaluate the long-term outcomes of laser-assisted subepithelial keratomileusis (LASEK) with intraoperative use of mitomycin C (MMC) performed on thin corneas for the correction of myopia. METHODS: This retrospective cohort study included 100 eyes with a preoperative central corneal thickness (CCT) thinner than 500 μm that underwent LASEK + MMC with at least 6 years of follow-up. Stability of visual acuity and refraction and the efficacy, safety, and predictability at the examinations 3 months and the last annual postoperative visit were analyzed...
December 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29226716/-case-report-on-choroidal-effusion-after-oral-acetazolamide-administration-an-unusual-manifestation-of-a-well-known-idiosyncratic-effect
#10
András Hári-Kovács, Judit Soós, Tamás Gyetvai, Andrea Facskó, Mihály Végh
Sulpha drugs are widely employed in medicine for various diseases and disorders. During the last several decades, numerous papers had been published on supra ciliary and posterior choroidal effusion likely presenting as an idiosyncratic effect of these drugs especially of acetazolamide. In each publication, the effusion was associated with either an acute angle-closure glaucoma or transitory myopia or both of these as leading symptoms. In the current publication, authors report on two cases where the acetazolamide-induced choroidal effusion was an accidental finding without either a myopic shift in refraction or an acute elevation in intraocular pressure...
December 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/29223238/pupillary-block-glaucoma-secondary-to%C3%A2-central-port-occlusion-following-insertion-of-a-phakic-implantable-copolymer-lens
#11
Felix Gonzalez-Lopez, Rafael Bilbao-Calabuig, Ricardo Alen, Blas Mompean
A 28-year-old woman had uneventful implantation of a phakic intraocular lens (pIOL) in her left eye (Visian ICL, EVO+ model, 13.2, -7.50 diopters) to correct myopia. Six days after the procedure, she presented with herniation of the iris. Surgical reduction was carried out successfully through the previous peripheral corneal paracentesis. On the following day, the patient reported ocular pain and blurry vision. Examination showed a shallow anterior chamber, moderate diffuse corneal edema, and ocular hypertension...
November 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29216865/effect-of-orthokeratology-on-myopia-progression-twelve-year-results-of-a-retrospective-cohort-study
#12
Yueh-Chang Lee, Jen-Hung Wang, Cheng-Jen Chiu
BACKGROUND: Several studies reported the efficacy of orthokeratology for myopia control. Somehow, there is limited publication with follow-up longer than 3 years. This study aims to research whether overnight orthokeratology influences the progression rate of the manifest refractive error of myopic children in a longer follow-up period (up to 12 years). And if changes in progression rate are found, to investigate the relationship between refractive changes and different baseline factors, including refraction error, wearing age and lens replacement frequency...
December 8, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/29215179/five-year-visual-outcome-among-people-with-correctable-visual-impairment-the-liwan-eye-study
#13
Lanhua Wang, Yanzhi Zhao, Xiaotong Han, Wenyong Huang, Guofu Huang, Mingguang He
IMPORTANCE: Longitudinal data on visual outcome of correctable visual impairments (VI) are of paramount importance for decision-maker to estimate burden and demand to treat avoidable VI. BACKGROUND: To assess the 5-year visual outcome among participants with correctable VI and to identify associated risk factors. DESIGN: Population-based longitudinal cohort study. PARTICIPANTS: Participants with correctable VI at baseline attended the 5-year follow-up visit of the Liwan Eye Study...
December 7, 2017: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/29213204/in-vitro-release-of-two-anti-muscarinic-drugs-from-soft-contact-lenses
#14
Alex Hui, Magdalena Bajgrowicz-Cieslak, Chau-Minh Phan, Lyndon Jones
The purpose of this study was to investigate the release of the anti-myopia drugs atropine sulfate and pirenzepine dihydrochloride from commercially available soft contact lenses. Standard ultraviolet (UV) absorbance-concentration curves were generated for atropine and pirenzepine. Ten commercially available contact lenses, including four multifocal lenses, were loaded by soaking in atropine or pirenzepine solutions at two different concentrations (10 mg/mL and 1 mg/mL). The release of the drugs into phosphate-buffered saline was determined over the course of 24 hours at 34°C using UV absorbance...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/29212820/vision-in-former-very-low-birthweight-young-adults-with-and-without-retinopathy-of-prematurity-compared-with-term-born-controls-the-nz-1986-vlbw-follow-up-study
#15
Brian A Darlow, Mark J Elder, Bridget Kimber, Julia Martin, L John Horwood
OBJECTIVE: There are few data on visual outcomes in adulthood of former very low birthweight (VLBW; <1500 g) infants. We aimed to assess vision at 27-29 years in a national cohort of VLBW infants born in 1986 and assessed for retinopathy of prematurity (ROP) when no treatment was available, compared with term born controls. METHODS: The cohort and controls attended a 2-day assessment in Christchurch as part of a larger study. Visual assessment included glasses prescription measured by focimeter, logarithm of the minimum angle of resolution (logMAR) distance visual acuity (VA), contrast sensitivity, autorefraction, retinal photographs and a questionnaire on vision-related everyday activities...
December 6, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29210828/predicting-short-term-subjective-vision-performance-of-contact-lenses-used-in-myopia-control
#16
Jennie Diec, Daniel Tilia, Varghese Thomas, Ravi C Bakaraju
OBJECTIVE: To investigate whether initial assessment of contact lenses prescribed for myopia control (MC) predicts short-term visual performance. METHOD: Retrospective analysis of 43 participants in a double-masked, randomized, cross-over trial wearing at least one lens: single-vision (SV) lens (1-DAY ACUVUE MOIST) or MC lenses (MiSight or Proclear Multifocal-Distance +2.00D). Participants completed questionnaires at the fitting visit, a take-home questionnaire (THQ) 3 days after fitting and finally at the assessment visit (≥5 days after fitting)...
November 28, 2017: Eye & Contact Lens
https://www.readbyqxmd.com/read/29204068/%C3%AE-adrenergic-agonist-brimonidine-control-of-experimentally-induced-myopia-in-guinea-pigs-a-pilot-study
#17
Yan Liu, Yuexin Wang, Huibin Lv, Xiaodan Jiang, Mingzhou Zhang, Xuemin Li
Purpose: To investigate the efficacy of α-adrenergic agonist brimonidine either alone or combined with pirenzepine for inhibiting progressing myopia in guinea pig lens-myopia-induced models. Methods: Thirty-six guinea pigs were randomly divided into six groups: Group A received 2% pirenzepine, Group B received 0.2% brimonidine, Group C received 0.1% brimonidine, Group D received 2% pirenzepine + 0.2% brimonidine, Group E received 2% pirenzepine + 0.1% brimonidine, and Group F received the medium...
2017: Molecular Vision
https://www.readbyqxmd.com/read/29198091/-treatments-for-slowing-the-progression-of-myopia
#18
REVIEW
Nir Erdinest, Yair Morad
Myopia is the most common refractive error and is now endemic over the entire industrial world, particularly in Asia. High myopia is one of the major causes of blindness in the world. Slowing the progress of myopia is possible, the most effective treatment being atropine ophthalmic drops, given in a dose-dependent fashion. Although high-dose atropine (1% and 0.5%) was found to be highly effective in slowing myopia progression, low-dose atropine (0.01%) was found to have the lowest rebound effect (accelerated myopia progression after treatment cessation) and was therefore, the most effective treatment in the long term...
November 2017: Harefuah
https://www.readbyqxmd.com/read/29197157/application-of-the-isnt-rules-on-retinal-nerve-fibre-layer-thickness-and-neuroretinal-rim-area-in-healthy-myopic-eyes
#19
Kunliang Qiu, Geng Wang, Xuehui Lu, Riping Zhang, Lixia Sun, Mingzhi Zhang
PURPOSE: We determined the applicability of inferior > superior > nasal > temporal (ISNT) rules on retinal nerve fibre layer (RNFL) thickness and rim area and evaluated the impact of various ocular factors on the performance of the ISNT rules in healthy myopic eyes. METHODS: A total of 138 eyes from 138 healthy myopic subjects were included in this cross-sectional observational study. The peripapillary RNFL and optic disc in each eye were imaged with Cirrus HD optical coherence tomography (OCT) and Heidelberg Retina Tomograph II (HRT2), respectively...
December 2, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29196762/neuronal-mechanisms-underlying-differences-in-spatial-resolution-between-darks-and-lights-in-human-vision
#20
Carmen Pons, Reece Mazade, Jianzhong Jin, Mitchell W Dul, Qasim Zaidi, Jose-Manuel Alonso
Artists and astronomers noticed centuries ago that humans perceive dark features in an image differently from light ones; however, the neuronal mechanisms underlying these dark/light asymmetries remained unknown. Based on computational modeling of neuronal responses, we have previously proposed that such perceptual dark/light asymmetries originate from a luminance/response saturation within the ON retinal pathway. Consistent with this prediction, here we show that stimulus conditions that increase ON luminance/response saturation (e...
December 1, 2017: Journal of Vision
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