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Myopic and eye study

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https://www.readbyqxmd.com/read/28801659/relationship-between-higher-order-wavefront-aberrations-and-natural-progression-of-myopia-in-schoolchildren
#1
Takahiro Hiraoka, Junko Kotsuka, Tetsuhiko Kakita, Fumiki Okamoto, Tetsuro Oshika
This study investigated the relationship between higher-order aberrations (HOAs) and myopia progression as well as axial elongation in schoolchildren. We examined cycloplegic refraction, axial length, and wavefront aberrations prospectively in 71 myopic children. Changes in cycloplegic refraction and axial length during a 2-year study period were assessed, and their correlations with HOA components were analyzed. Sixty-four subjects ([mean ± SD] 9.2 ± 1.6 years) completed the 2-year examinations. Cycloplegic refraction was significantly changed after 2 years (P < 0...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28791058/stereoacuity-after-wavefront-guided-photorefractive-keratectomy-in-anisometropia
#2
Farid Karimian, Vahid Ownagh, Mohammad Aghazadeh Amiri, Seyed Mehdi Tabatabaee, Nooshin Dadbin
PURPOSE: To determine changes in stereoacuity in anisometropic myopic eyes after photorefractive keratectomy (PRK). METHODS: Myopic patients with at least 1 diopter (D) of anisometropia in sphere, astigmatism, or spherical equivalent who were referred to our hospital for excimer refractive surgery were enrolled as a prospective sequential interventional case series. All patients underwent wavefront-guided photorefractive keratectomy (WFG-PRK) using the Technolas Perfect Vision (217z) Excimer laser machine...
July 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28791056/accuracy-of-different-topographic-instruments-in-calculating-corneal-power-after-myopic-photorefractive-keratectomy
#3
Alireza Baradaran-Rafii, Sahba Fekri, Mohammad Rezaie, Shahram Salehi-Rad, Ali Moradi, Tahmineh Motevasseli, Masumeh Kalantarion
PURPOSE: To compare the corneal power measurements obtained using different topographic instruments after myopic photorefractive keratectomy (PRK). METHODS: Patients with myopia who were candidates for corneal refractive surgery were sequentially included. Pre-PRK and six months post-PRK corneal powers were measured using Javal manual keratometer, Orbscan II, Galilei, Tomey TMS4, and EyeSys 2000 topographers. Measured values were compared with those obtained using the clinical history method (CHM)...
July 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28790537/refractive-outcomes-of-posterior-chamber-phakic-intraocular-lens-implantation-for-correction-of-myopia-and-myopic-astigmatism
#4
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 January 2013 to January 2016. Uncorrected distance visual acuity (UDVA), spherical equivalent (SE), corrected distance visual acuity (CDVA), intraocular pressure (IOP), endothelial cell (EC) density were evaluated at one, six and twelve months...
April 2017: Medical Archives
https://www.readbyqxmd.com/read/28777775/induced-de-novo-astigmatism-after-hyperopic-lasik-versus-myopic-lasik-surgery-in-nonastigmatic-eyes
#5
Lily Karmona, Michael Mimouni, Igor Vainer, Tzahi Sela, Gur Munzer, Igor Kaiserman
PURPOSE: To compare the astigmatism induced surgically (SIA) by spherical hyperopic laser in situ keratomileusis (H-LASIK) versus myopic laser in situ keratomileusis (M-LASIK) in nonastigmatic eyes. METHODS: A retrospective study of patients who underwent LASIK surgery between 2005 and 2014 at the Care-Vision Laser Center, Israel. We calculated the mean absolute SIA and performed risk factor analysis for induced astigmatism. Differences between H-LASIK and M-LASIK were analyzed...
September 2017: Cornea
https://www.readbyqxmd.com/read/28774937/clinical-outcomes-after-implantation-of-a-toric-intraocular-lens-with-a-transitional-conic-toric-surface
#6
Bettina C Thomas, Ramin Khoramnia, Gerd U Auffarth, Mike P Holzer
PURPOSE: To evaluate the postoperative outcomes after implantation of a hydrophilic toric intraocular lens (tIOL) with a transitional conic toric surface in patients with astigmatism undergoing refractive lens exchange (RLE) or cataract surgery. METHODS: In this monocentric study, clinical outcomes following implantation of the hydrophilic Precizon toric IOL model 565 (Ophtec) were analysed. For intraoperative axis alignment, the Verion Image Guided System was used...
August 3, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28767664/bruch%C3%A2-s-membrane-thickness-in-relationship-to-axial-length
#7
Hai Xia Bai, Ying Mao, Ling Shen, Xiao Lin Xu, Fei Gao, Zhi Bao Zhang, Bin Li, Jost B Jonas
PURPOSE: To assess a potential role of Bruch´s membrane (BM) in the biomechanics of the eye, we measured its thickness and the density of retinal pigment epithelium (RPE) cells in various ocular regions in eyes of varying axial length. METHODS: Human globes, enucleated because of an ocular tumor or end-stage glaucoma were prepared for histological examination. Using light microscopy, the histological slides were histomorphometrically examined applying a digitized image analysis system...
2017: PloS One
https://www.readbyqxmd.com/read/28747621/evaluation-of-biomechanical-changes-in-myopia-patients-with-unsatisfactory-corneas-after-femto-second-laser-in-situ-keratomileusis-fs-lasik-concurrent-with-accelerated-corneal-collagen-cross-linking-using-corvis-st-two-year-follow-up-results
#8
Weiwei Xu, Ye Tao, Liqiang Wang, Yifei Huang
BACKGROUND Some myopia patients with unsatisfactory corneas consider corneal refractive surgery for different reasons. Accelerated corneal collagen crosslinking (ACXL) is an effective method to enhance the resistance of the cornea. The present investigation was designed to evaluate the changes of biomechanical properties in patients with myopia and thin corneas after femtosecond-laser in situ keratomileusis (FS-LASIK) concurrent with ACXL. MATERIAL AND METHODS A prospective study was designed. A total of 22 eyes of 11 myopia astigmatism patients with unsatisfactory corneas were enrolled...
July 27, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28746183/visual-outcomes-after-balanced-salt-solution-infiltration-during-lenticule-separation-in-small-incision-lenticule-extraction-for-myopic-astigmatism
#9
RANDOMIZED CONTROLLED TRIAL
Ting Liu, Xiaomin Zhu, Kaijian Chen, Ji Bai
To evaluate the refractive outcomes of balanced salt solution infiltration during small-incision lenticule extraction (SMILE).This randomized prospective study enrolled 52 patients (104 eyes) with myopic astigmatism. Patients underwent SMILE to correct the myopic astigmatism in Daping Hospital of the Third Military Medical University between January and July 2013. One eye of each patient received traditional SMILE (control group) and the other received a modified SMILE procedure (liquid infiltration group)...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28740361/matched-population-comparison-of-visual-outcomes-and-patient-satisfaction-between-3-modalities-for-the-correction-of-low-to-moderate-myopic-astigmatism
#10
Sri Ganesh, Sheetal Brar, Archana Pawar
PURPOSE: To compare toric implantable collamer lens (T-ICL), femto-LASIK, and ReLEx SMILE for the treatment of low to moderate myopic astigmatism in terms of long-term visual and refractive outcomes and predictability of astigmatic correction. MATERIALS AND METHODS: The study included 30 eyes from 30 patients between the age groups of 21 and 40 years, undergoing bilateral surgery with any of the three procedures - T-ICL, femto-LASIK, or ReLEx SMILE - for correction of myopic astigmatism within the range of -3 to -8 D spherical equivalent (SE), with a minimum astigmatism of -0...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28738419/posterior-staphylomas-in-pathologic-myopia-imaged-by-widefield-optical-coherence-tomography
#11
Kosei Shinohara, Noriaki Shimada, Muka Moriyama, Takeshi Yoshida, Jost B Jonas, Nagahisa Yoshimura, Kyoko Ohno-Matsui
Purpose: To examine posterior staphylomas by widefield optical coherence tomography (WF-OCT) and three-dimensional magnetic resonance imaging (3D-MRI). Methods: Highly myopic patients (myopic refractive error >8.0 diopters or axial length >26.5 mm) who had previously undergone orbital 3D-MRI were examined by WF-OCT. Results: The study included 100 eyes of 57 patients with a mean age of 67.9 ± 10.7 years (range, 44-85 years) and mean axial length of 30...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28734810/retinal-pigment-epithelium-humps-in-high-myopia
#12
Alessandro Marchese, Adriano Carnevali, Riccardo Sacconi, Teresa Centoducati, Lea Querques, Francesco Bandello, Giuseppe Querques
PURPOSE: To report on the presence of retinal pigment epithelium (RPE) humps in high myopia, and to describe the distinctive features from pathological PEDs and choroidal neovascularizations (CNVs). DESIGN: Retrospective cross-sectional study. METHODS: Charts and imaging studies of highly myopic patients presenting between September 2015 and February 2017 at a university teaching hospital were consecutively reviewed. All patients underwent spectral domain optical coherence tomography (OCT)...
July 19, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28732618/predictors-of-myopic-photorefractive-keratectomy-retreatment
#13
Russell Pokroy, Michael Mimouni, Tzahi Sela, Gur Munzer, Igor Kaiserman
PURPOSE: To determine the factors associated with retreatment after photorefractive keratectomy (PRK) in myopic eyes. SETTING: Care-Vision Laser Centers, Tel-Aviv, Israel. DESIGN: Retrospective cohort study. METHODS: A large database on myopic PRK with mitomycin-C (MMC) performed from 2005 to 2012 was studied. Patients were divided into 2 groups according to whether they had retreatment. Multiple preoperative and intraoperative parameters were analyzed for association with retreatment...
June 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28732617/vector-analysis-of-astigmatic-changes-after-small-incision-lenticule-extraction-and%C3%A2-wavefront-guided-laser-in-situ-keratomileusis
#14
Mounir A Khalifa, Ahmed M Ghoneim, Mohamed Shafik Shaheen, David P Piñero
PURPOSE: To evaluate and compare the efficacy of the astigmatic correction after wavefront-guided laser in situ keratomileusis (LASIK) and small-incision lenticule extraction (SMILE) and in myopic eyes. DESIGN: Prospective case series. SETTING: Horus Vision Correction Center and Ellite Vision Correction Center, Alexandria, Egypt. METHODS: Myopic eyes with astigmatism up to 4.00 diopters (D) had wavefront-guided LASIK or small-incision lenticule extraction...
June 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28732616/stromal-remodeling-and-lenticule-thickness-accuracy-in-small-incision-lenticule-extraction-one-year-results
#15
Nikolaus Luft, Siegfried G Priglinger, Michael H Ring, Wolfgang J Mayer, Anna S Mursch-Edlmayr, Thomas C Kreutzer, Matthias Bolz, Martin Dirisamer
PURPOSE: To prospectively characterize the stromal thickness changes during the first year after myopic small-incision lenticule extraction using spectral-domain optical coherence tomography (SD-OCT). SETTING: Department of Ophthalmology, Kepler University Hospital, Linz, Austria. DESIGN: Prospective case series. METHODS: This study evaluated eyes that had small-incision lenticule extraction to treat myopia or myopic astigmatism...
June 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28730114/diagnostic-capability-of-peripapillary-retinal-nerve-fiber-layer-parameters-in-time-domain-versus-spectral-domain-optical-coherence-tomography-for-assessing-glaucoma-in-high-myopia
#16
Mei-Ching Teng, Yi-Chieh Poon, Kuo-Chi Hung, Hsueh-Wen Chang, Ing-Chou Lai, Jen-Chia Tsai, Pei-Wen Lin, Chien-Yun Wu, Chueh-Tan Chen, Pei-Chang Wu
AIM: To evaluate and compare the diagnostic capabilities of peripapillary retinal nerve fiber layer (p-RNFL) parameters of Spectralis optical coherence tomography (OCT) versus Stratus OCT to detect glaucoma in patients with high myopia. METHODS: This is a retrospective, cross-sectional study. Sixty highly myopic eyes of 60 patients were enrolled, with 30 eyes in the glaucoma group and 30 eyes in the control group. All eyes received peripapillary imaging of the optic disc using Stratus and Spectralis OCT...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28721006/incidence-of-outer-retinal-tubulation-in-eyes-with-choroidal-neovascularization-under-intravitreal-anti-vascular-endothelial-growth-factor-therapy-in-a-japanese-population
#17
Seiji Takagi, Michiko Mandai, Noriko Miyamoto, Akihiro Nishida, Yasuhiko Hirami, Hirofumi Uyama, Midori Yamamoto, Masayo Takahashi, Goji Tomita, Yasuo Kurimoto
PURPOSE: The purpose of this study was to investigate the occurrence of outer retinal tubulation (ORT) among patients with different types of choroidal neovascularization (CNV) over time. MATERIALS AND METHODS: In this retrospective chart review, disease type was classified as typical age-related macular degeneration (t-AMD), polypoidal choroidal vasculopathy (PCV), retinal angiomatous proliferation (RAP), or myopic CNV (mCNV). Spectral domain-optical coherence tomography (SD-OCT) images were evaluated for the appearance of ORT and subretinal fibrosis and fluid...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28721004/epithelium-on-photorefractive-intrastromal-cross-linking-pixl-for-reduction-of-low-myopia
#18
Wee Kiak Lim, Zhi Da Soh, Harold Kah Yen Choi, Julian Thiam Siew Theng
PURPOSE: To report the 9-12-month outcomes of a novel procedure for reduction of low myopia through epithelium-on photorefractive intrastromal cross-linking (PiXL) with customized control of topographic distribution of ultraviolet (UV)-fluence. METHOD: Myopic patients with normal (non-ectatic) corneas underwent the PiXL procedure for reduction of low myopia. PiXL treatments were delivered through selective application of UVA light based on the refractive error of each patient...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28718904/autologous-serum-eye-drops-and-enhanced-epithelial-healing-time-after-photorefractive-keratectomy
#19
Hanife Tuba Akcam, Metin Unlu, Emine Esra Karaca, Hulya Yazici, Bahri Aydin, Ahmet Murad Hondur
BACKGROUND: The aim of the study is to test whether use of autologous serum eye-drops can provide earlier epithelial healing following the application of photorefractive keratectomy. METHOD: Sixty patients (60 eyes) underwent photorefractive keratectomy for myopia. Thirty eyes received autologous serum drops (Study group) while 30 eyes received conventional artificial tears (Control group) after photorefractive keratectomy. An 8 mm epithelial opening was prepared with the application of 18 per cent alcohol for 20 seconds...
July 18, 2017: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://www.readbyqxmd.com/read/28716601/changes-in-refractive-status-in-an-elderly-chinese-population-in-a-7-year-follow-up-the-shihpai-eye-study
#20
Tung-Mei Kuang, Su-Ying Tsai, Catherine Jiu-Ling Liu, Yu-Chieh Ko, Shui-Mei Lee, Pesus Chou
BACKGROUND: Refractive error is the major cause of moderate and severe visual impairment. Visual impairment limits people's ability to perform daily tasks and affects their quality of life. Longitudinal data on the refractive status of the elderly was available only for whites and Africans. The purpose of this study was to report the 7-year incidence of myopia, hyperopia and refractive error change as well as their associated risk factors in a metropolitan elderly Chinese population. METHODS: The Shihpai Eye Study 2006 included 460/824 (55...
July 14, 2017: Journal of the Chinese Medical Association: JCMA
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