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Myopic and eye study

Zhixi Li, Xinxing Guo, Ou Xiao, Pei Ying Lee, Ran Liu, Decai Wang, Padmaja Sankaridurg, Mingguang He
SIGNIFICANCE: Some studies reported that optic disc tilt and rotation might be risk factors for the susceptibility of high myopic eyes to develop glaucoma. However, data regarding optic disc manifestations in high myopia participants are few. It is crucial to characterize the features of optic disc manifestations among high myopes. PURPOSE: To describe optic disc characteristics of Chinese highly myopic eyes and to investigate associated factors. METHODS: This cross-sectional, observational study included 890 Chinese with bilateral high myopia (defined as ≤-6...
March 21, 2018: Optometry and Vision Science: Official Publication of the American Academy of Optometry
Krystal L Schulle, David A Berntsen, Loraine T Sinnott, Katherine M Bickle, Anita T Gostovic, Gilbert E Pierce, Lisa A Jones-Jordan, Donald O Mutti, Jeffrey J Walline
SIGNIFICANCE: Practitioners fitting contact lenses for myopia control frequently question whether a myopic child can achieve good vision with a high-add multifocal. We demonstrate that visual acuity is not different than spectacles with a commercially available, center-distance soft multifocal contact lens (MFCL) (Biofinity Multifocal "D"; +2.50 D add). PURPOSE: To determine the spherical over-refraction (SOR) necessary to obtain best-corrected visual acuity (BCVA) when fitting myopic children with a center-distance soft MFCL...
March 21, 2018: Optometry and Vision Science: Official Publication of the American Academy of Optometry
Yu Sawada, Makoto Araie, Hitomi Kasuga, Makoto Ishikawa, Toyoto Iwata, Katsuyuki Murata, Takeshi Yoshitomi
PURPOSE: To investigate focal lamina cribrosa (LC) defect that spatially correspond to the non-progressive glaucomatous visual field defect (VFD) in myopic subjects. DESIGN: Case-control study. SUBJECTS: We included 159 myopic eyes with glaucomatous VFD under treatment and followed up for 7 years. METHODS: Serial enhanced depth imaging spectral domain-optical coherence tomography (EDI OCT) B-scans of the optic discs were acquired at the end of the follow-up and reviewed for the LC defect...
March 17, 2018: American Journal of Ophthalmology
Martha Kim, Ho-Kyung Choung, Kyoung Min Lee, Sohee Oh, Seok Hwan Kim
PURPOSE: To delineate longitudinal changes in the optic nerve head (ONH) and peripapillary structure during myopia progression in childhood using spectral-domain (SD) OCT and to explore the factors associated with myopic ONH and peripapillary changes. DESIGN: Prospective cohort study. PARTICIPANTS: Twenty-three healthy children with myopia (46 eyes). METHODS: The participants underwent fundus photography, SD OCT, and axial length (AXL) measurements every 6 months for 2 years...
March 14, 2018: Ophthalmology
Kyoung Min Lee, Ho-Kyung Choung, Martha Kim, Sohee Oh, Seok Hwan Kim
PURPOSE: To investigate the positional change of central retinal vasculature and vascular trunk to deduce the change in the lamina cribrosa (LC) during axial elongation. DESIGN: Prospective cohort study. PARTICIPANTS: Twenty-three healthy myopic children (46 eyes). METHODS: Participants had undergone a full ophthalmologic examination and axial length measurement every 6 months for 2 years. Using spectral-domain OCT, circle scans centered around the optic disc in the glaucoma progression analysis mode, which enabled capturing of the same positions throughout the entire study period, and enhanced depth imaging of the deep optic nerve head complex were performed...
March 12, 2018: Ophthalmology
Dmitrii S Maltsev, Elena V Kudryashova, Alexei N Kulikov, Artem Yu Mareichev
PURPOSE: To study the relationship between central epithelial thickness (CET) and central corneal thickness (CCT) in healthy individuals and to evaluate their changes after laser in situ keratomileusis (LASIK). METHODS: In this study, we included 150 patients (150 eyes) who underwent LASIK and 83 healthy individuals (83 eyes). In all patients, CET and CCT were measured using anterior segment optical coherence tomography with Copernicus REVO on B-scans. Statistical analysis was performed using the Spearman rank test, t test, and receiver operating characteristic curve analysis...
March 14, 2018: Cornea
Jin Qiong Zhou, Ya Xing Wang, Liang Xu, Liang Zhao, Shuang Wang, Jie Xu, Qi Sheng You, Hua Yang, Wen Bin Wei, Jost B Jonas
PURPOSE: To examine frequency and associations of retinal hemorrhages. METHODS: The population-based Beijing Eye Study included 3,468 individuals. Monoscopic fundus photographs were examined for hemorrhages. RESULTS: Retinal hemorrhages were detected in 515 eyes (429 individuals) (prevalence: 7.6%; 95% confidence interval [CI]: 7.0-8.0 per eye; 12.7%; 95% CI: 11.7-13.7 per person). Higher prevalence of retinal hemorrhages was correlated (multivariate analysis) with higher systolic blood pressure (P < 0...
March 12, 2018: Retina
Dong Hyun Lee, Jong Wook Han, Sung Soo Kim, Suk Ho Byeon, Hyoung Jun Koh, Sung Chul Lee, Min Kim
PURPOSE: To determine the long-term effect of scleral encircling on the progression of myopia DESIGN: Retrospective, clinical cohort study METHODS: SETTING: Single-center academic hospital (Severance Hospital). STUDY POPULATION: The study included seventy-six eyes of 38 patients (mean age 37.21 ± 15.76) who have undergone retinal detachment surgery with scleral encircling OBSERVATIONAL PROCEDURES: Axial length was measured preoperatively, at 6 months after surgery, and at the most recent visit...
March 8, 2018: American Journal of Ophthalmology
Tiago B Ferreira, João Pinheiro, Leyre Zabala, Filomena J Ribeiro
PURPOSE: To compare the clinical outcomes after cataract surgery with implantation of a monofocal or an extended-range-of-vision intraocular lens (IOL). SETTING: Hospital da Luz, Lisbon Portugal. DESIGN: Prospective case series. METHODS: Patients who previously had myopic laser in situ keratomileusis (LASIK) had cataract surgery with bilateral implantation of an extended-range-of-vision IOL (Tecnis Symfony) or a monofocal IOL (Tecnis ZCB00)...
March 8, 2018: Journal of Cataract and Refractive Surgery
Miri Na, Aeri Yoo
PURPOSE: To evaluate the effectiveness of the orthokeratology (OK) lens slowing myopic progression compared with no intervention in pediatric eyes METHODS: A retrospective review of medical records was performed on 45 monocular myopic subjects 7 to 13 years of age who were treated with monocular ortho-k lens and followed-up for more than 12 months. The monocular myopia in the subjects' eyes was -0.75 to -4.25 D (diopter), and near emmetropia in the contralateral and with-the-rule astigmatism no greater than -1...
March 9, 2018: Japanese Journal of Ophthalmology
George A Kontadakis, Konstantina G Chronopoulou, Rodoula Tsopouridou, David Tabibian, George D Kymionis
PURPOSE: To investigate the effect of nepafenac 0.3% in a once daily dosage regarding pain and healing after photorefractive keratectomy (PRK). METHODS: This was a prospective, comparative, contralateral randomized study of 35 patients undergoing PRK for the correction of low to moderate myopia and myopic astigmatism. After randomization, patients received nepafenac 0.3% ophthalmic suspension once daily in one eye (nepafenac 0.3% group) and nepafenac 0.1% ophthalmic suspension three times a day in the other eye (nepafenac 0...
March 1, 2018: Journal of Refractive Surgery
Ikhyun Jun, David Sung Yong Kang, Dan Z Reinstein, Samuel Arba-Mosquera, Timothy J Archer, Kyoung Yul Seo, Tae-Im Kim
PURPOSE: To comparatively investigate the clinical outcomes, vector parameters, and corneal aberrations of small incision lenticule extraction (SMILE) with a triple centration technique and corneal wavefront-guided transepithelial photorefractive keratectomy (PRK) for the correction of high astigmatism. METHODS: This retrospective, comparative case series study included 89 eyes (89 patients) that received treatment for myopia with high astigmatism (≥ 2.50 diopters) using SMILE with a triple centration technique (SMILE group; 45 eyes) and corneal wavefront-guided transepithelial PRK (transepithelial PRK group; 44 eyes)...
March 1, 2018: Journal of Refractive Surgery
Virginia Miraldi Utz, Wanda Pfeifer, Susannah Q Longmuir, Richard John Olson, Kai Wang, Arlene V Drack
Importance: Congenital stationary night blindness (CSNB) implies a stable condition, with the major symptom being nyctalopia present at birth. Pediatric clinical presentation and the course of different genetic subtypes of CSNB have not, to our knowledge, been well described in the era of molecular genetic diagnosis. Objective: To describe the presentation and longitudinal clinical characteristics of pediatric patients with molecularly confirmed TRPM1-associated complete CSNB (cCSNB)...
March 8, 2018: JAMA Ophthalmology
Yu Sun, Ning Zhao, Wangyuan Liu, Miao Liu, Zizhao Ju, Jun Li, Zhen Cheng, Xingdang Liu
PURPOSE: To investigate the relationship between expression level of vesicular monoamine transporter 2 (VMAT2) and myopia, as well as the feasibility of noninvasive myopia diagnosis through imaging VMAT2 in retina by using [18 F]fluoropropyl-(+)-dihydrotetrabenazine ([18 F]FP-(+)-DTBZ). PROCEDURES: The right eyes of ten guinea pigs were deprived of vision to establish form-deprived (FD) myopia and the left eyes were untreated as the self-control eyes. The location and expression level of VMAT2 in the eyes were detected by micro-positron emission tomography (PET)/X-ray computed tomography (CT) imaging through using [18 F]FP-(+)-DTBZ...
March 8, 2018: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
Jin Tao Sun, Meng An, Xiao Bo Yan, Guo Hua Li, Da Bo Wang
Purpose: To investigate the prevalence and related factors for myopia in school-aged children in the Economic and Technological Development Zone of Qingdao, Eastern China. Methods: A total of 4890 (aged 10 to 15 years) students were initially enrolled in this study. 3753 (76.75%) students with completed refractive error and questionnaire data were analyzed. The children underwent a comprehensive eye examination. Multiple logistic regression models were applied to assess possible factors associated with myopia...
2018: Journal of Ophthalmology
D-J Qian, H Zhong, Q Nie, J Li, Y Yuan, C-W Pan
OBJECTIVES: The aim of this study is to describe the prevalence and associated factors of spectacles need and ownership among multiethnic school students in rural China. STUDY DESIGN: School-based cross-sectional study. METHODS: This school-based eye study was conducted in Yunnan province located in Southwestern China. Questionnaires were filled out by children with the help of their parents concerning demographic characteristics, spectacles usage, and myopia-related lifestyle exposures...
March 1, 2018: Public Health
Jie Shen, Frank Spors, Donald Egan, Chunming Liu
Introduction: The peripheral refractive error of the human eye has been hypothesized to be a major stimulus for the development of its central refractive error. Aim: The purpose of this study was to investigate the changes in the peripheral refractive error across horizontal, vertical and two diagonal meridians in emmetropic and low, moderate and high myopic adults. Subjects and methods: Thirty-four adult subjects were recruited and aberration was measured using a modified commercial aberrometer...
2018: Clinical Ophthalmology
Kuddusi Teberik, Murat Kaya
Objective: To evaluate macular choroidal thickness (CT) and retinal thickness in Turkish patients with high myopia without maculopathy and in normal subjects and to examine the association with age, axial length (AL), best corrected visual acuity (BCVA), cycloplegic refraction, and spherical equivalent (SE). Methods: This prospective study was performed between January 2015 and June 2016 in the Department of Ophthalmology, Duzce University Medical Faculty. It had 65 individuals (30 patients with high myopia, 35 healthy subjects)...
November 2017: Pakistan Journal of Medical Sciences Quarterly
Masahiko Ayaki, Motoko Kawashima, Miki Uchino, Kazuo Tsubota, Kazuno Negishi
AIM: To evaluate the signs and symptoms of dry eye disease (DED) in adolescents. METHODS: This was a cross-sectional, case-control study and outpatients aged 10 to 19y were recruited from six eye clinics of various practices and locations in Japan, and 253 non-DED subjects and 70 DED patients were enrolled. Participants were examined for DED-related signs. Patients were also interviewed to ascertain the presence or absence of six common DED-related symptoms: dryness, irritation, pain, eye fatigue, blurring, and photophobia...
2018: International Journal of Ophthalmology
Evelyn Li Min Tai, Jiunn Loong Ling, Eng Hui Gan, Hussein Adil, Wan-Hitam Wan-Hazabbah
AIM: To compare the peripapillary retinal nerve fiber layer (RNFL) thickness measured via optical coherence tomography (OCT) between different groups of myopia severity and controls. METHODS: This was a prospective cross-sectional study. All subjects underwent a full ophthalmic examination, refraction, visual field analysis and A-scan biometry. Myopic patients were classified as low myopia (LM) [spherical equivalent (SE) from greater than -0.5 D, up to -3.0 D], moderate myopia (MM; SE greater than -3...
2018: International Journal of Ophthalmology
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