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Myopic and eye study

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https://www.readbyqxmd.com/read/28526552/anisometropia-at-age-5-years-after-unilateral-intraocular-lens-implantation-during-infancy-in-the-infant-aphakia-treatment-study-iats
#1
David Weakley, George Cotsonis, M Edward Wilson, David A Plager, Edward G Buckley, Scott R Lambert
PURPOSE: To report the prevalence of anisometropia at age 5 years after unilateral intraocular lens (IOL) implantation in infants. DESIGN: Prospective randomized clinical trial METHODS: Fifty-seven infants in the Infant Aphakia Treatment Study (IATS) with a unilateral cataract were randomized to IOL implantation with an initial targeted postoperative refractive error of either +8D (infants 28 to <48 days of age) or +6D (infants 48-210 days of age). Anisometropia was calculated at age 5 years...
May 16, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28512581/refractive-lens-exchange-combined-with-primary-posterior-vitrectorhexis-in-highly-myopic-patients
#2
Tarek A Mohamed, Wael Soliman, Dalia M El Sebaity, Ahmed M Fathalla
Purpose. To evaluate efficacy and safety of primary vitrectorhexis for posterior capsulotomy in highly myopic patients undergoing refractive lens exchange. Methods. The study is a prospective nonrandomized interventional study. The study comprised 60 eyes of 60 myopic patients. All patients underwent refractive lens exchange (RLE) and foldable IOL implantation combined with primary posterior capsulotomy. We used a 23-gauge vitrectomy probe for the creation of the posterior capsule opening. We followed the patients for one year...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28510775/progression-of-high-anisometropia-in-children
#3
Rasha H Zedan, Dina El-Fayoumi, Ahmed Awadein
PURPOSE: To investigate the onset and rate of progression of high anisometropia in myopic children younger than 13 years. METHODS: A retrospective study was performed on children with anisometropia younger than 13 years with myopia of more than 4.00 diopters (D) in the more ametropic eye and a difference in spherical equivalent refraction of 4.00 D between both eyes. All children had a complete ophthalmologic examination, including measurement of visual acuity and cycloplegic refraction every 3 to 6 months for at least 5 years...
May 15, 2017: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28503426/expression-and-role-of-specificity-protein-1-in-the-sclera-remodeling-of-experimental-myopia-in-guinea-pigs
#4
Bo Jiang, Zhang-You Wu, Zi-Cheng Zhu, Gen-Jie Ke, Yue-Chun Wen, Si-Qin Sun
AIM: To study the expression of collagen I and transcription factor specificity protein 1 (Sp1), a transforming growth factor-β1 (TGF-β1) downstream target, and reveal the impact of the TGF-β1-Sp1 signaling pathway on collagen remodeling in myopic sclera. METHODS: Seventy-five 1-week-old guinea pigs were randomly divided into normal control, form deprivation myopia (FDM), and self-control groups. FDM was induced for different times using coverage with translucent latex balloons and FDM recovery was performed for 1wk after 4wk treatment; then, changes in refractive power and axial length were measured...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28494517/exploration-of-peripapillary-vessel-density-in-highly-myopic-eyes-with-peripapillary-intrachoroidal-cavitation-and-its-relationship-with-ocular-parameters-using-optical-coherence-tomography-angiography
#5
Chen Qiuying, He Jiangnan, Hua Yihong, Fan Ying
IMPORTANCE: Identifying changes of peripapillary vessel density in highly myopic eyes with peripapillary intrachoroidal cavitation (PICC) by optical coherence tomography angiography (OCTA). BACKGROUND: To investigate peripapillary vessel density and its relationship with other ocular parameters in highly myopic eyes with PICC. DESIGN: This was a hospital-based, cross-sectional study. PARTICIPANTS: Thirty-five highly myopic eyes with PICC, 46 highly myopic eyes without PICC and 36 normal eyes were included in this study...
May 11, 2017: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/28494159/association-of-visual-acuity-with-ocular-dominance-in-2045-myopic-patients
#6
Dan Zhou, Ni Ni, Aiping Ni, Qinjin Chen, Dan-Ning Hu, Jibo Zhou
PURPOSE: Previous studies of the relationship between visual acuity (VA) and ocular dominance have produced conflicting results. We hypothesized that (1) the discrepancies were related mostly to sample size and interocular visual acuity difference (IOVAD); (2) in large samples of individuals with marked IOVADs, the eye with the better uncorrected distance visual acuity (UDVA) would be dominant. These hypotheses were tested in a large group of myopic patients. METHODS: This prospective study of cycloplegic refraction involved 2045 myopic refractive surgery candidates...
May 11, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28486721/topography-guided-lasik-versus-small-incision-lenticule-extraction-smile-for-myopia-and-myopic-astigmatism-a-randomized-prospective-contralateral-eye-study
#7
Anastasios John Kanellopoulos
PURPOSE: To compare safety and efficacy of topography-guided LASIK and contralateral eye SMILE for myopia and myopic astigmatism correction. METHODS: This prospective, randomized contralateral eye study included 44 eyes of 22 patients with bilateral myopia or myopic astigmatism. Treated eyes were divided into two groups: 22 eyes were treated with topography-guided LASIK and the fellow eye of each patient was treated with SMILE. The following parameters were evaluated preoperatively and up to 3 months postoperatively: uncorrected distance vision acuity (UDVA), corrected distance vision acuity (CDVA), refractive error, corneal keratometry, contrast sensitivity, and Objective Scatter Index...
May 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28481929/horizontal-and-vertical-optic-disc-rotation-the-beijing-eye-study
#8
Yuan Yuan Fan, Jost B Jonas, Ya Xing Wang, Chang Xi Chen, Wen Bin Wei
PURPOSE: To measure the optic disc rotation around the vertical and horizontal disc axis and to evaluate associations with general and ocular parameters. DESIGN: Population-based study. METHODS: In the Beijing Eye Study, 3468 participants (mean age:64.6±9.8 years; range:50-93 years) underwent an ophthalmological examination which included spectral-domain optical coherence tomography (OCT) with enhanced depth imaging. Using the OCT images, we determined the amount of the rotation of the optic disc (defined as Bruch´s membrane opening (BMO)) around the vertical axis and horizontal axis...
2017: PloS One
https://www.readbyqxmd.com/read/28481050/anisometropia-of-spherical-equivalent-and-astigmatism-among-myopes-a-23-year-follow-up-study-of-prevalence-and-changes-from-childhood-to-adulthood
#9
Olavi Pärssinen, Markku Kauppinen
PURPOSE: To study anisometropia of spherical equivalent and astigmatism from the onset of myopia at school age to adulthood. METHODS: A total of 240 myopic schoolchildren (mean age 10.9 years), with no previous spectacles, were recruited during 1983-1984 to a randomized 3-year clinical trial of bifocal treatment of myopia. Examinations with subjective cyclopedic refraction were repeated 3 years later (follow-up 1) for 238 subjects and thereafter at the mean ages of 23...
May 8, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28470658/-free-floating-intraocular-cysts
#10
Jens Ulrich Werner, Gerhard K Lang, Christian Enders
Background Free-floating intraocular cysts may be found in the anterior chamber (FZV) and the vitreous (FZG). The first description of a cyst was 150 years ago, and they are considered to be ocular rarities. Materials and Methods The actual knowledge about FZV and FZG is shown on the basis of two exemplary patients. Results and Discussion Patient 1 had a FZV as an incidental finding which had a smooth surface, a slight pigmentation and was translucent. The ultrasound biomicroscopy revealed an echo-free interior space...
May 3, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28448513/outdoor-activity-and-myopia-progression-in-4-year-follow-up-of-chinese-primary-school-children-the-beijing-children-eye-study
#11
Yin Guo, Li Juan Liu, Ping Tang, Yan Yun Lv, Yi Feng, Liang Xu, Jost B Jonas
PURPOSE: To investigate factors associated with ocular axial elongation and myopia progression during a 4-year follow-up in primary school children in Beijing. METHODS: This school-based study included 382 grade-1 children at baseline in 2011 (age:6.3±0.4 years) with 305 (79.8%) returning for the follow-up examination in 2015. At baseline and in yearly follow-up examinations, the children underwent a comprehensive eye examination including auto-refractometry, ocular biometry with measurement of axial length, and fundus photography...
2017: PloS One
https://www.readbyqxmd.com/read/28445315/the-effect-of-timolol-0-5-on-the-correction-of-myopic-regression-after-lasik
#12
Hong Qi, Caifeng Gao, Yaxin Li, Xue Feng, Miao Wang, Yu Zhang, Yueguo Chen
BACKGROUD: Postlaser in situ keratomileusis (post-LASIK) refractive regression is defined as the gradual, partial, or total loss of initial correction that limits the predictability, efficiency, and long-term stability of LASIK. Our study assesses the effect of Timolol 0.5% on the correction of myopic regression after LASIK. METHODS: This prospective, randomized, controlled study included 62 eyes of 62 patients with myopic regression of -1.18 ± 0.86 diopters (D) after myopic LASIK...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28438126/prevalence-of-and-factors-associated-with-myopia-in-inner-mongolia-medical-students-in-china-a-cross-sectional-study
#13
Lan Wang, Maolin Du, He Yi, Shengyun Duan, Wenfang Guo, Peng Qin, Zhihui Hao, Juan Sun
BACKGROUND: To further explore characteristics of myopia and changes in factors associated with myopia among students at Inner Mongolia Medical University. METHODS: Two cross-sectional censuses were conducted in 2011 and 2013. Participants were medical students residing on campus in 2011 and 2013. Logistic regression analysis was performed to ascertain associations with basic information, genetic factors, environmental factors. The χ(2) test was used to test for differences in prevalence between 2011 and 2013...
April 24, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28435210/incidence-of-interface-fluid-syndrome-after-laser-in-situ-keratomileusis-in-egyptian-patients
#14
Amr A Gab-Alla
PURPOSE: To determine the incidence of interface fluid syndrome (IFS) secondary to steroid-induced elevation of intraocular pressure (IOP) following laser in situ keratomileusis (LASIK) in myopic Egyptian patients. METHODS: This retrospective case series study was conducted at El-Gowhara Private Eye Center. The medical records of 1,807 patients (3,489 eyes), who underwent LASIK to correct myopia from April 2012 to December 2015 were included. The patients were operated on and reviewed by one surgeon (AAG) for IFS after LASIK associated with elevation of IOP (as compared to preoperative values)...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28430330/long-term-visual-outcomes-in-children-with-primary-congenital-glaucoma
#15
Sanaa A Yassin
PURPOSE: To determine the long-term visual outcomes and risk factors for visual loss in children with primary congenital glaucoma (PCG) who underwent angle surgery over a 21-year period. METHODS: This was a retrospective study of patients who underwent trabeculotomy, trabeculectomy, or combined trabeculotomy-trabeculectomy for PCG. Visual acuity (VA), surgeries, and underlying cause of visual impairment were recorded and compared. Main outcome measures were final best-corrected good VA (20/20 to 20/50), moderate VA (<20/50 to 20/200), or poor VA (<20/200); age at surgery, sex, laterality, type of initial glaucoma surgery, and number of surgeries were recorded...
April 20, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28426626/parapapillary-gamma-and-delta-zones-in-high-myopia
#16
Jost B Jonas, Yuxin Fang, Pascal Weber, Kyoko Ohno-Matsui
PURPOSE: To examine parapapillary zones gamma and delta in highly myopic eyes. METHODS: The retrospective observational study included patients attending the Tokyo high myopia clinics. Fundus photographs were morphometrically examined. RESULTS: The study population included 600 eyes (304 individuals) with a mean age of 62.7 ± 14.3 years (range: 13-90 years) and mean axial length of 29.6 ± 2.2 mm (range: 23.2-35.4 mm). In multivariate analysis (regression coefficient r:0...
April 19, 2017: Retina
https://www.readbyqxmd.com/read/28424534/corneal-flap-thickness-with-the-moria-m2-single-use-head-90-microkeratome-in-72-consecutive-lasik-procedures
#17
Yunus Karabela, Orkun Muftuoglu, Faruk Kaya
PURPOSE: This study aimed to evaluate the accuracy and consistency of corneal flap thickness in laser-assisted in situ keratomileusis (LASIK) with the Moria M2 single-use head 90 microkeratome. METHODS: The central corneal thickness of 72 (37 right, 35 left) eyes of 37 patients was measured by ultrasonic pachymetry preoperatively and intraoperatively after flap cut. The Moria M2 single-use head 90 microkeratome was used to create a superior hinged flap in all eyes...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28419129/factors-related-to-axial-length-elongation-and-myopia-progression-in-orthokeratology-practice
#18
Bingjie Wang, Rajeev K Naidu, Xiaomei Qu
PURPOSE: To investigate which baseline factors are predictive for axial length growth over an average period of 2.5 years in a group of children wearing orthokeratology (OK) contact lenses. METHODS: In this retrospective study, the clinical records of 249 new OK wearers between January 2012 and December 2013 from the contact lens clinic at the Eye and ENT Hospital of Fudan University were reviewed. The primary outcome measure was axial length change from baseline to the time of review (July-August 2015)...
2017: PloS One
https://www.readbyqxmd.com/read/28418222/modified-loop-myopexy-technique-for-severe-high-myopic-strabismus-fixus
#19
Leilei Zou, Shuai Liu, Rui Liu, Jing Yao, Yan Liu, Jing Lin, Hong Liu
IMPORTANCE: This study introduces a modified loop myopexy technique for severe high myopic strabismus fixus. BACKGROUND: This study aims to evaluate the surgical results of loop myopexy with or without medial rectus recession for the treatment of patients with myopic strabismus fixus. DESIGN: This is a retrospective study in a Chinese teaching hospital. PARTICIPANTS: Data was collected from 25 myopic strabismus fixus patients (33 eyes) with restriction in both abduction and sursumduction...
April 18, 2017: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/28414805/measurements-of-the-parapapillary-atrophy-zones-in-en-face-optical-coherence-tomography-images
#20
Atsuya Miki, Yasushi Ikuno, Robert N Weinreb, Junko Yokoyama, Tomoko Asai, Shinichi Usui, Kohji Nishida
OBJECTIVE: To measure the parapapillary atrophy (PPA) area in en face images obtained with swept-source optical coherence tomography (SS-OCT), and to evaluate its relationship to glaucoma, myopia, and age in non-highly myopic subjects. DESIGN: Retrospective, cross-sectional study. PARTICIPANTS: Fifty eyes of 30 subjects with open-angle glaucoma (G group) and forty-three eyes of 26 healthy control subjects (C group). Eyes with high myopia (spherical equivalent refractive error ≤ -8 diopters or axial length ≥ 26...
2017: PloS One
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