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Myopic and eye study

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https://www.readbyqxmd.com/read/28631305/two-years-results-of-small-incision-lenticule-extraction-and-wavefront-guided-laser-in%C3%A2-situ-keratomileusis-for-myopia
#1
Hidenaga Kobashi, Kazutaka Kamiya, Akihito Igarashi, Masahide Takahashi, Kimiya Shimizu
PURPOSE: To compare the 2-years visual and refractive outcomes between small-incision lenticule extraction (SMILE) and wavefront-guided laser in situ keratomileusis (LASIK) in eyes with myopia and myopic astigmatism. METHODS: Our retrospective case-control study examined 30 eyes of 30 patients with the manifest refraction spherical equivalent (MRSE) of -3.71 ± 1.83 dioptres (D) who underwent SMILE and 30 eyes of 30 patients with MRSE of -3.81 ± 1.40 D who underwent wavefront-guided LASIK...
June 20, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28626818/astigmatic-treatment-with-photorefractive-keratectomy-investigations-of%C3%A2-non-keratometric-ocular-astigmatism
#2
Alireza Peyman, Zahra Dastborhan, Mohammadreza Peyman
PURPOSE: To evaluate the effect of non-keratometric ocular astigmatisms on visual and refractive outcomes after photorefractive keratectomy (PRK) for correction of myopic astigmatisms. METHODS: Seventy one eyes of 36 subjects were enrolled in this study. Patients underwent PRK for treatment of myopia. Subjects were evaluated for refractive error, keratometry, and visual acuity before and six months after surgery. Pre- and post-op non-keratometric astigmatisms were calculated by vectorial analysis of the difference between the corneal plane refractive astigmatism and keratometric astigmatism...
June 2017: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/28625971/peripheral-leptochoroid-clinical-and-anatomical-findings
#3
Jasmine H Francis, Larissa A Habib, David H Abramson
BACKGROUND/AIMS: To investigate the clinical findings and anatomical characteristics of patients with a thinned peripheral choroid (leptochoroid) presenting with bilateral macular geographical hyperpigmented fundus and compare with matched controls. METHODS: A retrospective, observational case series of 44 eyes (24 patients): 22 study eyes (12 study patients) with clinical findings of leptochoroid (geographical hyperpigmented fundus centred in the macula) matched with 22 control eyes (12 control patients)...
June 16, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28624314/anatomical-and-refractive-outcomes-in-patients-with-treated-retinopathy-of-prematurity
#4
M Lolas, A Tuma, M Zanolli, R Agurto, R Stevenson, D Ossandón
OBJECTIVE: To describe the anatomical and refractive outcomes after treatment with intravitreal bevacizumab or laser in a patient cohort with retinopathy of prematurity (ROP). METHODS: A multicentre, prospective, and observational study was performed on patients with ROP treated at Hospital Roberto del Río. Those patients with less than 6months of follow-up were excluded. Cases with posterior zone II, zone I ROP, and aggressive posterior ROP (AP-ROP) were treated with intravitreal bevacizumab...
June 14, 2017: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/28620156/the-effect-of-lasik-surgery-on-myopic-anisometropes-sensory-eye-dominance
#5
Lixia Feng, Huimin Lin, Yao Chen, Jiafeng Wang, Yonghua Wang, Rongfeng Liao, Jiawei Zhou, Robert F Hess
Lasik is a common surgery for treating anisometropia. In this study, we asked a specific question: what's the effect of Lasik surgery on anisometropes' sensory eye dominance ? Fifteen myopic anisometropes (mean age: 23 ± 6.9 years old; 6 females) participated in our experiment. We quantitatively measured participants' sensory eye dominance before and after the Lasik surgery using a binocular phase combination paradigm. We found no significant change of sensory eye dominance within 16 weeks (measured between 8 to 96 days, for one or two repetitions) after the surgery (t(14) = -1...
June 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28615925/anterior-lamina-cribrosa-surface-depth-in-healthy-saudi-females
#6
Amira El-Agamy, Fayrouz Oteaf, Mohamed Berika
PURPOSE: This study was conducted to determine normative profile of anterior lamina cribrosa surface depth (ALCSD) in healthy Saudi females using Topcon Three-Dimensional (3D) Optical Coherence Tomography (OCT) 2000 - Spectral Domain (SD-OCT). In addition, the correlation between ALCSD and other clinical factors such as age, refractive error, intraocular pressure (IOP), central corneal thickness, anterior chamber depth, axial length, retinal nerve fiber layer thickness, and disk area was also assessed...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28606268/-clinical-observation-on-monovision-of-cataract-surgery-with-different-near-addition
#7
J Mu, Y Z Li, Q Wu, L Yan, H Chen
Objective: To observe the influence on spectacle independence, satisfaction and visual function after cataract surgery monovision with different ADD. Methods: Prospective clinical study. All patients were collected from the department of ophthalmology, Shanghai JiaoTong University Affiliated Sixth People's Hospital who were diagnosed as bilateral cataract from Oct. 2013 to Mar. 2015. This study comprised 64 cases (128 eyes). All consecutive patients scheduled to undergo bilateral cataract phacoemulsification and implantation of a monofocal AcrySof IQ IOL...
June 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28604984/choroidal-thickness-and-ametropia-in-children-a-longitudinal-study
#8
Marine Fontaine, David Gaucher, Arnaud Sauer, Claude Speeg-Schatz
PURPOSE: To determine the relationship of subfoveal choroidal thickness (ChT), refraction, and axial length in children, and evaluate the evolution of subfoveal ChT with time in myopic versus nonmyopic eyes. METHODS: A total of 229 eyes of 115 children aged 2 to 16 years were included in the study. Refraction under cycloplegia, axial length, and subfoveal ChT were measured at baseline with comparative investigations at 15 months follow-up. RESULTS: The probability for the subfoveal ChT to be thinner in myopic children compared to nonmyopic children was 0...
June 7, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28601344/predictability-of-smile-over-four-years-in-high-myopes
#9
J Burazovitch, D Naguzeswski, T Beuste, M Guillard
OBJECTIVE: To determine whether the visual outcomes of the refractive surgery technique small incision lenticule extraction (SMILE), are stable, effective, and predictable for high myopia over a four-year period. RESEARCH DESIGN: This is a retrospective study. The data were collected between March 2012 and July 2016. PARTICIPANTS: Two hundred and forty-eight patients participated in the study; that is, 496 eyes: 140 eyes of 70 patients (52 women/18 men) were classified into the highly myopic group (refraction measured in spherical equivalent (RMSE)>-6 D), and 356 eyes of 178 patients (98 women/80 men) into the control group (RMSE<-6 D)...
June 7, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28600708/effect-of-refractive-status-on-valsalva-induced-anterior-segment-changes
#10
Necip Kara, Serhat Kenan
PURPOSE: To evaluate the effect of the Valsalva maneuver (VM) on anterior segment parameters and its association with refractive status. METHOD: In this prospective study, 120 eyes of 120 subjects were evaluated. Subjects were divided into three groups: myopic (n = 40 patients), hyperopic (n = 40 patients), and emmetropic (control group, n = 40 subjects). The anterior segment parameters, including keratometric, pachymetric, and anterior chamber parameters, were measured using the Sirius System (Costruzione Strumenti Oftalmici, Florence, Italy) before and during VM...
June 9, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28590317/neovascularization-secondary-to-high-myopia-imaged-by-optical-coherence-tomography-angiography
#11
Elsa Bruyère, Alexandra Miere, Salomon Yves Cohen, David Martiano, Anne Sikorav, Andrada Popeanga, Oudy Semoun, Giuseppe Querques, Eric H Souied
PURPOSE: To describe the optical coherence tomography angiography (OCTA) characteristics of active myopic choroidal neovascularization (CNV) and to compare its sensitivity versus fluorescein angiography and spectral-domain optical coherence tomography. METHODS: Consecutive highly myopic patients complicated with active myopic CNV were prospectively included. The OCTA features were analyzed and correlated with the findings of conventional imaging (spectral-domain optical coherence tomography and fluorescein angiography)...
January 11, 2017: Retina
https://www.readbyqxmd.com/read/28584935/evaluation-of-optic-nerve-head-parameters-and-retinal-nerve-fiber-layer-thickness-in-axial-myopia-using-sd-oct
#12
Heba Radi AttaAllah, Ismail Ahmed Nagib Omar, Ahmed Shawkat Abdelhalim
INTRODUCTION: The purpose of this research was to study the effect of increased axial myopia, in non-glaucomatous eyes, and its correlation with ONH parameters, and RNFL thickness, using Cirrus HD 4000 SD-OCT. METHODS: The myopia group included 86 eyes of 86 patients, while the control group involved 92 eyes of 92 patients, attending the Ophthalmology Outpatient Clinic in Minia University Hospital, between November 2013 and March 2015. ONH parameters and peripapillary RNFL thickness measurement were evaluated by using SD-OCT, selecting the standard optic disc cube 200 × 200...
June 5, 2017: Ophthalmology and Therapy
https://www.readbyqxmd.com/read/28579750/refractive-predictability-in-eyes-with-intraocular-gas-tamponade-results-of-a-prospective-controlled-clinical-trial
#13
Lars Wagenfeld, Kristin Hermsdorf, Birthe Stemplewitz, Vasyl Druchkiv, Andreas Frings
PURPOSE: To determine the postoperative refractive error in eyes with intraocular gas tamponade in combined phacovitrectomy using a Z-haptic intraocular lens (IOL). METHODS: This prospective non-randomized case-control study compared patients with combined phacovitrectomy with or without intraocular gas tamponade to cataract surgery-only. The main outcome measure was the IOL power prediction error (PE). Secondary outcome measures were spherical equivalent, anterior chamber depth (ACD), and axial length...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28577553/the-refractive-state-of-the-eye-in-icelandic-horses-with-the-silver-mutation
#14
Maria K Johansson, Kim Jäderkvist Fegraeus, Gabriella Lindgren, Björn Ekesten
BACKGROUND: The syndrome Multiple Congenital Ocular Anomalies (MCOA) is a congenital eye disorder in horses. Both the MCOA syndrome and the Silver coat colour in horses are caused by the same missense mutation in the premelanosome protein (PMEL) gene. Horses homozygous for the Silver mutation (TT) are affected by multiple ocular defects causing visual impairment or blindness. Horses heterozygous for the Silver mutation (CT) have less severe clinical signs, usually cysts arising from the ciliary body iris or retina temporally...
June 2, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28574135/patient-centered-and-visual-quality-outcomes-of-premium-cataract-surgery-a-systematic-review
#15
Sophia Y Wang, Maxwell S Stem, Gale Oren, Roni Shtein, Paul R Lichter
PURPOSE: Over 8 million cataract surgeries are performed in the United States and the European Union annually, with many patients choosing to pay out of pocket for premium options including premium intraocular lens implants (IOLs) or laser-assisted cataract surgery (LACS). This report provides a systematic review evaluating patient-centered and visual quality outcomes comparing standard monofocal IOLs to premium cataract surgery options. METHODS: PubMed and EMBASE were searched for publications published between January 1, 1980, and September 18, 2016, on multifocal, accommodative, and toric IOLs, monovision, and LACS, which reported on 1) dysphotopsias, 2) contrast sensitivity, 3) spectacle independence, 4) vision-related quality of life or patient satisfaction, and 5) IOL exchange...
April 24, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28570624/macular-bruch-s-membrane-defect-and-dome-shaped-macula-in-high-myopia
#16
Yuxin Fang, Jost B Jonas, Tae Yokoi, Kejia Cao, Kosei Shinohara, Kyoko Ohno-Matsui
PURPOSE: To examine an association between macular Bruch's membrane defects (MBMD) and a dome-shaped appearance of the macula (DSM). DESIGN: Retrospective, observational case series study. METHODS: The study included highly myopic individuals who were consecutively examined between May 2014 and December 2015. The patients underwent swept-source optical coherence tomography (OCT) for visualization of DSM and MBMDs defined as Bruch´s membrane defects located at a distance of maximal 1500 μm from the foveola...
2017: PloS One
https://www.readbyqxmd.com/read/28569566/ocular-biometry-and-determinants-of-refractive-error-in-a-founder-population-of-european-ancestry
#17
Sarah M Hilkert, Reut Parness-Yossifon, Rebecca Mets-Halgrimson, Marilyn B Mets
BACKGROUND: The prevalence of myopia is increasing worldwide. Previous studies have found a positive association between myopia, education, and near activities, while others have noted a negative association with outdoor exposure. This study reports refractive error and biometry in a founder population of European ancestry, the Hutterites, and discusses risk factors contributing to myopia. METHODS: Cross-sectional study, including complete eye exams with retinoscopy and biometry...
June 1, 2017: Ophthalmic Genetics
https://www.readbyqxmd.com/read/28560051/choroidal-vascular-analysis-in-myopic-eyes-evidence-of-foveal-medium-vessel-layer-thinning
#18
Rayan A Alshareef, Mohammed K Khuthaila, Manideepak Januwada, Abhilash Goud, Daniela Ferrara, Jay Chhablani
PURPOSE: To analyse morphologic features of the choroid in Non-pathological myopic eyes using spectral-domain (SD) optical coherence tomography (OCT). METHODS: Retrospective analysis of enhanced depth SD-OCT images of Non-pathological myopic eyes in comparison with age-matched healthy controls was performed. Choroidal thickness (CT) and large choroidal vessel thickness (LCVT) were measured at the fovea, 750 µm nasally from fovea (N(750)) and 750 µm temporally (T(750)) from fovea...
2017: International Journal of Retina and Vitreous
https://www.readbyqxmd.com/read/28551164/multiple-temporal-lamina-cribrosa-defects-in-myopic-eyes-with-glaucoma-and-their-association-with-visual-field-defects
#19
Yu Sawada, Makoto Araie, Makoto Ishikawa, Takeshi Yoshitomi
PURPOSE: To investigate characteristics of lamina cribrosa (LC) defects in myopic eyes with open-angle glaucoma (OAG) using spectral-domain (SD) optical coherence tomography (OCT). DESIGN: Cross-sectional study. PARTICIPANTS: One hundred thirty-three eyes with OAG and 83 eyes without OAG, with axial length of 24 mm or more. METHODS: Serial enhanced depth imaging SD OCT B-scans of the optic disc were acquired and reviewed for LC defects (diameter, ≥100 μm) and large pores (diameter, 60-100 μm)...
May 24, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28542088/corneal-breakthrough-haze-after-photorefractive-keratectomy-with-mitomycin-c-incidence-and-risk-factors
#20
Igor Kaiserman, Naʼava Sadi, Michael Mimouni, Tzahi Sela, Gur Munzer, Shmuel Levartovsky
PURPOSE: To identify preoperative and intraoperative factors affecting breakthrough corneal haze incidence after photorefractive keratectomy (PRK) with mitomycin C (MMC). METHODS: In this retrospective study of PRK performed at the Care Vision Refractive Laser Center, Tel Aviv, Israel, a total of 7535 eyes (n = 3854 patients; mean age ± SD, 26 ± 6 years; 55% men) underwent PRK with intraoperative MMC application. Patients with histories of corneal pathology or surgery were excluded...
May 23, 2017: Cornea
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