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Myopic and eye study

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https://www.readbyqxmd.com/read/29149871/near-work-outdoor-activity-and-myopia-in-children-in-rural-china-the-handan-offspring-myopia-study
#1
Zhong Lin, Tie Ying Gao, Balamurali Vasudevan, Kenneth J Ciuffreda, Yuan Bo Liang, Vishal Jhanji, Su Jie Fan, Wei Han, Ning Li Wang
BACKGROUND: The near work and outdoor activity are the most important environmental risk factors for myopia. However, data from Chinese rural children are relatively rare and remain controversial. Therefore, the purpose of this study was to evaluate the relationship of both near work and outdoor activities with refractive error in rural children in China. METHODS: In this cross-sectional study, 572 (65.1%) of 878 children (6-18 years of age) were included from the Handan Offspring Myopia Study (HOMS)...
November 17, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/29148031/small-incision-lenticule-extraction-smile-monovision-for-presbyopia-correction
#2
Nikolaus Luft, Jakob Siedlecki, Walter Sekundo, Christian Wertheimer, Thomas C Kreutzer, Wolfgang J Mayer, Siegfried G Priglinger, Martin Dirisamer
PURPOSE: To evaluate the outcomes of myopic small incision lenticule extraction (SMILE) monovision in presbyopic patients. METHODS: This study included 49 presbyopic patients older than 45 years seeking surgical correction of myopia or myopic astigmatism who underwent bilateral SMILE with planned monovision in the SMILE Eyes Clinic Linz, Austria. Target refraction was plano for dominant (distance) eyes and ranged between -1.25 and -0.50 D for nondominant (near) eyes...
November 4, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/29135357/short-term-refractive-effects-of-propranolol-hydrochloride-prophylaxis-on-retinopathy-of-prematurity-in-very-preterm-newborns
#3
Levent Korkmaz, Cagatay Karaca, Mustafa Ali Akin, Osman Bastug, Mustafa Sahiner, Ahmet Ozdemir, Tamer Gunes, Mehmet Adnan Ozturk, Selim Kurtoglu
PURPOSE: Retinopathy of prematurity (ROP) is one of the major problems of surviving premature infants with several ophthalmic morbidities such as increased risk of refractive errors, strabismus, and cortical visual impairment. Use of propranolol hydrochloride (PH) for the prevention of ROP is a new promising treatment modality. However, long-term effects are still to be defined. In our study, we aimed to investigate the short-term refractive effects of PH used for ROP prophylaxis in very preterm newborns...
November 14, 2017: Current Eye Research
https://www.readbyqxmd.com/read/29135319/crosslinking-enzyme-lysyl-oxidase-modulates-scleral-remodeling-in-form-deprivation-myopia
#4
Ying Yuan, Min Li, Qingzhong Chen, Rao Me, Yunjie Yu, Qing Gu, Guangsen Shi, Bilian Ke
PURPOSE: Scleral remodeling causes the excessive ocular elongation that underlies myopia. Lysyl oxidase (LOX), a copper-containing amine oxidase, can catalyze collagen and elastin crosslinking. The purpose of this study was to investigate the role of LOX in scleral remodeling in form-deprivation myopia (FDM). METHODS: Seventy-five guinea pigs were randomly divided into five groups as follows: a normal control group, an FDM group, an FDM plus β-aminopropionitrile (BAPN) group, an FDM plus TGF-β1 (TGF-β1) group, and an FDM plus vehicle group...
November 14, 2017: Current Eye Research
https://www.readbyqxmd.com/read/29133646/efficacy-of-1-atropine-eye-drops-in-retarding-progressive-axial-myopia-in-indian-eyes
#5
Mihir Kothari, Vivek Rathod
PURPOSE: The aim of this study is to assess the efficacy of 1% atropine eye drops for the retardation of progressive axial myopia in Indian eyes. METHODS: This prospective interventional cohort study included children aged 5-16 years. Both the eyes of myopic children with progressive increase of ≥-0.5D sphere/year with the best-corrected vision of ≥6/6 were treated with once a day application of 1% atropine eye drops and progressive addition photogray lenses...
November 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29121045/high-myopia-in-greater-beijing-school-children-in-2016
#6
Yin Guo, Jia Li Duan, Li Juan Liu, Ying Sun, Ping Tang, Yan Yun Lv, Liang Xu, Jost B Jonas
PURPOSE: To assess prevalence and associated factors of myopia and high myopia in schoolchildren in Greater Beijing. METHODS: The school-based, cross-sectional Greater Beijing School Children Myopia study was carried out in the year 2016 in 54 schools randomly selected from 15 districts in Beijing. Non-cycloplegic auto-refractometry of the right eyes was performed. RESULTS: The study included 35,745 (99.4%) out of 35,968 eligible pupils with a mean age of 12...
2017: PloS One
https://www.readbyqxmd.com/read/29120975/refractive-error-in-a-sample-of-black-high-school-children-in-south-africa
#7
Samuel Otabor Wajuihian, Rekha Hansraj
SIGNIFICANCE: This study focused on a cohort that has not been studied and who currently have limited access to eye care services. The findings, while improving the understanding of the distribution of refractive errors, also enabled identification of children requiring intervention and provided a guide for future resource allocation. PURPOSE: The aim of conducting the study was to determine the prevalence and distribution of refractive error and its association with gender, age, and school grade level...
November 9, 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/29117414/monovision-lasik-versus-presbyopia-correcting-iols-comparison-of-clinical-and-patient-reported-outcomes
#8
Steven C Schallhorn, David Teenan, Jan A Venter, Julie M Schallhorn, Keith A Hettinger, Stephen J Hannan, Martina Pelouskova
PURPOSE: To compare clinical and quality of life outcomes between patients who underwent monovision LASIK and refractive lens exchange. METHODS: The study comprised 590 patients with refractive lens exchange and 608 patients with monovision LASIK available for 3-month postoperative clinical visits. All patients with refractive lens exchange had a Tecnis Symfony lens (Johnson & Johnson Vision Care, Inc., Santa Ana, CA) in at least one eye. Patients were divided into four refractive categories: moderate to high myopia, low myopia, plano presbyopia, and hyperopia...
November 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29117066/predictive-factors-of-surgical-outcomes-in-vitrectomy-for-myopic-traction-maculopathy
#9
Kyoko Hattori, Keiko Kataoka, Jun Takeuchi, Yasuki Ito, Hiroko Terasaki
PURPOSE: To assess predictive factors and surgical outcomes for myopic traction maculopathy. METHODS: This retrospective observational case study enrolled 73 patients who underwent vitrectomy for myopic traction maculopathy. The 79 eyes obtained from our study sample were divided into 4 types: retinoschisis, lamellar macular hole (lamellar MH), foveal retinal detachment (FRD), and FRD + lamellar MH, or into 2 types according to the presence of FRD preoperatively...
November 7, 2017: Retina
https://www.readbyqxmd.com/read/29116952/a-model-of-the-effect-of-lens-development-on-refraction-in-schoolchildren
#10
Ji C He
SIGNIFICANCE: The study provides a new theory on the mechanism underlying myopia development, and it could be useful in clinical practice to control myopia development in schoolchildren. PURPOSE: To model the effect of the crystalline lens on refractive development in schoolchildren. METHODS: The Zemax 13 was used to calculate Zernike aberrations and refractions across 50° horizontal visual fields. Optical effects of the anterior chamber depth, lens thickness, and radii of curvature of the lens surfaces on refractions were modeled...
November 8, 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/29110120/-analysis-of-spectacle-lens-prescriptions-shows-no-increase-of-myopia-in-germany-from-2000-to-2015
#11
W Wesemann
OBJECTIVE: To determine whether the prevalence and magnitude of myopia among children and young adults wearing spectacles has increased in Germany from 2000 to 2015. MATERIAL AND METHODS: A total of 1,223,410 refraction values from 278,432 male and 333,273 female subjects between 5 and 30 years of age were analyzed. All subjects had received a new pair of spectacles between 1 January 2000 and 31 December 2015. The parameter studied was the spherical equivalent averaged over both eyes of each subject (N = 611,705)...
November 6, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/29079450/the-expanded-spectrum-of-perifoveal-exudative-vascular-anomalous-complex
#12
Riccardo Sacconi, K Bailey Freund, Lawrence A Yannuzzi, Rosa Dolz-Marco, Eric Souied, Vittorio Capuano, Oudy Semoun, Nopasak Phasukkijwatana, David Sarraf, Adriano Carnevali, Lea Querques, Francesco Bandello, Giuseppe Querques
PURPOSE: to expand our understanding of the uncommon entity, referred to as perifoveal exudative vascular anomalous complex (PEVAC) by describing multimodal imaging findings, including optical coherence tomography-angiography (OCT-A). DESIGN: Retrospective cohort study. METHODS: Patients diagnosed with PEVAC were identified at 4 retina referral centers worldwide and underwent complete ophthalmologic examination including structural OCT, OCT-A, fluorescein angiography (FA) and indocyanine green angiography (ICGA)...
October 24, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/29076561/the-effect-of-transient-glare-on-shape-discrimination-threshold-in-myopic-adults
#13
Binbin Su, Bin Zhang, Junping Huang, Wen Xie, Zhenyu Wu, Meng Lin, Zheyi Chen, Haoran Wu, Jun Jiang, Fan Lu
BACKGROUND: The aim was to evaluate the effect of transient glare on shape discrimination threshold (SDT) in myopic adults. METHODS: A total of 162 myopic subjects were enrolled. Of these, 121 had low to mid myopia (-1.00 D to -6.00 D) and 41 had high myopia (-6.13 D to -10.25 D). All subjects had corrected visual acuity of 6/6 or better, and only data for the right eye were included in the study. SDTs were measured with circular D4 (fourth derivative of Gaussian) radial frequency patterns with a radial frequency of four, peak spatial frequency of three cpds, and mean radius of 1...
October 27, 2017: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://www.readbyqxmd.com/read/29073242/clinical-features-of-superficial-and-deep-peripapillary-microvascular-density-in-healthy-myopic-eyes
#14
Mi Sun Sung, Tae Hee Lee, Hwan Heo, Sang Woo Park
PURPOSE: To evaluate the clinical features of peripapillary microvasculature in myopic eyes and investigate the association between the superficial and deep peripapillary microvascular density and the myopic optic disc characteristics. MATERIALS AND METHODS: This cross-sectional study included one hundred and fifty healthy myopic eyes with β-peripapillary atrophy (β-PPA). Ovality index, degree of optic disc rotation, and the area of β-PPA were measured. Superficial and deep peripapillary microvascular density was measured using optical coherence tomography angiography...
2017: PloS One
https://www.readbyqxmd.com/read/29071469/ultrastructural-analyses-of-internal-limiting-membrane-excised-from-highly-myopic-eyes-with-myopic-traction-maculopathy
#15
Reiji Yokota, Akito Hirakata, Nobutsugu Hayashi, Kazunari Hirota, Tosho Rii, Yuji Itoh, Tadashi Orihara, Makoto Inoue
PURPOSE: To evaluate the ultrastructure of the internal limiting membranes (ILMs) excised during vitrectomy from highly myopic eyes with myopic traction maculopathy (MTM). The clinical findings before and after the vitrectomy were compared. METHODS: Seven eyes of 7 patients with macular retinoschisis were studied. Four of these eyes also had a foveal detachment but without a retinal break. All the eyes underwent vitrectomy with the creation of a posterior vitreous detachment and ILM peeling...
October 25, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29067532/biometric-evaluation-of-myopic-eyes-without-posterior-staphyloma-disproportionate-ocular-growth
#16
Sudarshan Khokhar, Brijesh Takkar, Esha Agarwal, Nripen Gaur, Raghav Ravani, Pradeep Venkatesh
PURPOSE: To evaluate changes in the anterior segment of myopic eyes and assess anterior biometry as a function of axial length (AL). DESIGN: Retrospective investigational study. PARTICIPANTS: Patients evaluated for phakic intraocular lens surgery at a tertiary eye care centre. METHODS: Patients with corrected visual acuity > 20/40 and AL > 24.5 mm were included in the study. Posterior staphyloma and maculopathy were ruled out in all the patients, and 176 eyes were included for analysis...
October 24, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/29064187/posterior-corneal-surface-differences-between-non-laser-in%C3%A2-situ-keratomileusis-lasik-and-10-year-post-lasik-myopic-eyes
#17
Ma-Li Dai, Qin-Mei Wang, Zu-Shun Lin, Ye Yu, Jin-Hai Huang, Giacomo Savini, Jia Zhang, Ling Wang, Chen-Chen Xu
PURPOSE: To evaluate the posterior corneal surface differences between non-laser in situ keratomileusis (LASIK) and 10-year post-LASIK myopic eyes. METHODS: The study included 130 eyes from 65 patients, who were treated with myopic LASIK 10 years ago. In addition, 130 eyes from 65 unoperated myopic patients of matching present age and preoperative refraction were divided into control group. Data on the posterior corneal surface and anterior chamber were obtained from Pentacam software and compared between the groups...
October 24, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29063473/comparing-aspheric-ablation-profile-with-standard-corneal-ablation-for-correction-of-myopia-and-myopic-astigmatism-a-contralateral-eye-study
#18
Mohammad Ghoreishi, Afsaneh Naderi Beni, Zahra Naderi Beni, Alireza Zandi, Farzan Kianersi
The purpose of this study is to compare visual outcomes of myopic refractive surgery, using tissue saving (TS), a standard ablation profile by a Technolas 217z100, and aberration smart ablation (ASA), an aspheric algorithm by a MEL 80 excimer laser in two eyes of one patient. In this prospective interventional paired-eye controlled study, a total of 100 eyes of 50 participants with myopia with or without astigmatism underwent thin-flap Femto-LASIK, using a Femto LDV femtosecond laser (Ziemer Ophthalmic Systems AG, Port, Switzerland)...
December 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29062772/structure-function-relationship-comparison-between-retinal-nerve-fibre-layer-and-bruch-s-membrane-opening-minimum-rim-width-in-glaucoma
#19
Lukas Reznicek, Sophie Burzer, Andrea Laubichler, Ali Nasseri, Chris P Lohmann, Nikolaus Feucht, Michael Ulbig, Mathias Maier
AIM: To evaluate and compare structural optical coherence tomography (OCT)-based parameters, such as Bruch's membrane opening-minimum rim width (BMO-MRW), and retinal nerve fiber layer (RNFL) thickness in glaucoma patients with visual field (VF) defects, and to correlate both to mean deviation (MD) values of obtained standard achromatic perimetry (SAP) examinations. METHODS: Patients with glaucoma and glaucomatous VF defects were enrolled in this prospective study and compared to age-matched healthy individuals...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29053556/epithelial-erosions-and-refractive-results-after-single-step-transepithelial-photorefractive-keratectomy-and-alcohol-assisted-photorefractive-keratectomy-in-myopic-eyes-a-comparative-evaluation-over-12-months
#20
Maamoun A Fattah, Rafic Antonios, Sam Arba Mosquera, Bachir Abiad, Shady T Awwad
PURPOSE: To evaluate the epithelial erosion incidence and refractive results in myopic eyes undergoing single-step transepithelial photorefractive keratectomy (TransPRK) compared with alcohol-assisted photorefractive keratectomy (PRK). METHODS: This was a retrospective nonrandomized comparative study conducted at the American University of Beirut Medical Center. A total of 189 eyes that had undergone single-step transepithelial PRK (TransPRK) were compared with 189 matched eyes that had undergone alcohol-assisted PRK over a follow-up of 1 year...
October 17, 2017: Cornea
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