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Optometry and Vision Science: Official Publication of the American Academy of Optometry

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https://www.readbyqxmd.com/read/28272192/optic-neuropathy-associated-with-primary-sj%C3%A3-gren-s-syndrome-a-case-series
#1
Eunoo Bak, Hee Kyung Yang, Jeong-Min Hwang
PURPOSE: To determine the diverse clinical features of optic neuropathy associated with primary Sjögren's syndrome in Korean patients. METHODS: Five women with acute and/or chronic optic neuropathy who were diagnosed as primary Sjögren's syndrome were retrospectively evaluated. Primary Sjögren's syndrome was diagnosed by signs and symptoms of keratoconjunctivitis sicca, positive serum anti-Ro/SSA and/or anti-La/SSB antibodies, and/or minor salivary gland biopsy...
March 7, 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28234795/effects-of-light-scatter-and-blur-on-low-contrast-vision-and-disk-halo-size
#2
María Cinta Puell, Catalina Palomo-Álvarez
PURPOSE: To investigate the individual effects of forward light scatter (FLS) and refractive blur on low-contrast vision and the size of the disk halo produced in response to an external glare source. METHODS: Monocular disk halo radius, high- and low-contrast distance visual acuity (HCVA, LCVA), and contrast sensitivity (CS) were determined in 25 eyes of 25 healthy subjects under normal, FLS, and blur conditions. FLS was induced using the filter Black ProMist 2 to simulate an early cataract...
February 24, 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28430758/the-refractive-error-of-professional-baseball-players
#3
Daniel M Laby, David G Kirschen
PURPOSE: High levels of visual acuity are required to hit a baseball effectively. Research has shown that any decrease in vision is likely caused by low-order optical aberrations. This study is designed to validate the SVOne autorefractor, and describe the amount and type, of low-order optical aberrations present in a large cohort of professional baseball players. METHODS: A retrospective chart review on the 608 Major League Baseball players evaluated during the 2016 Spring Training Season was performed...
May 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28430757/public-goods-nih-funding-and-civic-literacy
#4
Michael D Twa
No abstract text is available yet for this article.
May 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28422804/a-review-of-ocular-graft-versus-host-disease
#5
Saleha Z Munir, James Aylward
: Graft-versus-host disease (GVHD) is a major complication that occurs following allogeneic hematopoietic stem cell transplantation, which is a potential curative therapy used in a variety of malignant or benign hematological diseases. Graft-versus-host disease primarily occurs in many organs, but most notably in the skin, lungs, gastrointestinal tract, liver, eyes, mucosa, and musculoskeletal system. Ocular manifestations of GVHD may precede other systemic GVHD findings, and it may be a poor prognosis for mortality...
May 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28422803/marijuana-use-and-self-reported-quality-of-eyesight
#6
Obinna F Akano
PURPOSE: There is increasing use of marijuana among young adults and more states in the United States are legalizing medical marijuana use. A number of studies have revealed both the beneficial and harmful effects of marijuana to the human system. Despite some beneficial effects, studies have shown marijuana to have a lot of deleterious effects on the visual system, which subsequently reduces the quality of eyesight. The aim of this study was to investigate if heavy marijuana smoking is associated with a poor quality of eyesight compared with light/no use of marijuana...
May 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28422802/validity-and-repeatability-of-a-novel-dynamic-visual-acuity-system
#7
Mariko Hirano, Natalie Hutchings, Trefford Simpson, Kristine Dalton
PURPOSE: In many sports, athletes rely on visual information from the environment to perform. Some literature suggests athletes have superior visual abilities to non-athletes, particularly on tasks representative of the visual demands of their sport, such as dynamic acuity, eye movement accuracy and speed, and peripheral vision. Other literature suggests there is no difference between athletes and non-athletes, at least when standard clinical assessments are employed. A limitation of the literature is that almost none of the research has been conducted with standardized, validated tools...
May 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28422801/interrater-and-test-retest-reliability-of-the-beery-visual-motor-integration-in-schoolchildren
#8
Erin M Harvey, Tina K Leonard-Green, Kathleen M Mohan, Marjean Taylor Kulp, Amy L Davis, Joseph M Miller, J Daniel Twelker, Irene Campus, Leslie K Dennis
PURPOSE: To assess interrater and test-retest reliability of the 6th Edition Beery-Buktenica Developmental Test of Visual-Motor Integration (VMI) and test-retest reliability of the VMI Visual Perception Supplemental Test (VMIp) in school-age children. METHODS: Subjects were 163 Native American third- to eighth-grade students with no significant refractive error (astigmatism <1.00 D, myopia <0.75 D, hyperopia <2.50 D, anisometropia <1.50 D) or ocular abnormalities...
May 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28406857/spectacle-compliance-among-adolescents-a-qualitative-study-from-southern-india
#9
Anuradha Narayanan, Shuba Kumar, Krishna Kumar Ramani
PURPOSE: To understand the perceptions of adolescents and their parents about spectacle compliance of adolescents in Southern India. METHODS: Using a qualitative snapshot design, three focus group discussions were conducted each with parents and adolescents studying in schools located in and around Chennai, Tamil Nadu. Purposive sampling technique was used in the selection of participants. Separate focus group guides were developed for parents and adolescents. All focus group discussions were conducted in the school premises and audio recorded...
May 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28403037/characteristics-of-submacular-hemorrhages-in-age-related-macular-degeneration
#10
Jae Hui Kim, Young Suk Chang, Jong Woo Kim, Chul Gu Kim
PURPOSE: The aims of this research are to report the incidence and characteristics of submacular hemorrhage secondary to neovascular age-related macular degeneration (AMD) and to compare the detailed morphologic features of hemorrhages between typical neovascular AMD and polypoidal choroidal vasculopathy (PCV). METHODS: This retrospective observational study included 791 eyes of 791 patients who had newly diagnosed neovascular AMD at a single institution. The incidence and extent of submacular hemorrhage of one disc area or greater were estimated and compared between typical neovascular AMD and PCV...
May 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28288017/task-induced-changes-in-idiopathic-infantile-nystagmus-vary-with-gaze
#11
Marzieh Salehi Fadardi, Arne C Bathke, Solomon W Harrar, Larry Allen Abel
PURPOSE: Investigations of infantile nystagmus syndrome (INS) at center or at the null position have reported that INS worsens when visual demand is combined with internal states, e.g. stress. Visual function and INS parameters such as foveation time, frequency, amplitude, and intensity can also be influenced by gaze position. We hypothesized that increases from baseline in visual demand and mental load would affect INS parameters at the null position differently than at other gaze positions...
May 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28288016/variability-in-objective-refraction-for-persons-with-down-syndrome
#12
Jason D Marsack, Ayeswarya Ravikumar, Julia S Benoit, Heather A Anderson
PURPOSE: Down syndrome (DS) is associated with ocular and cognitive sequelae, which both have the potential to influence clinical measures of refractive error. This study compares variability of autorefraction among subjects with and without DS. METHODS: Grand Seiko autorefraction was performed on 139 subjects with DS (age: 8-55, mean: 25 ± 9 yrs) and 138 controls (age: 7-59, mean: 25 ± 10 yrs). Subjects with three refraction measures per eye (DS: 113, control: 136) were included for analysis...
May 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28234793/validity-of-the-worth-4-dot-test-in-patients-with-red-green-color-vision-defect
#13
Eunoo Bak, Hee Kyung Yang, Jeong-Min Hwang
PURPOSE: The Worth four dot test uses red and green glasses for binocular dissociation, and although it has been believed that patients with red-green color vision defects cannot accurately perform the Worth four dot test, this has not been validated. Therefore, the purpose of this study was to demonstrate the validity of the Worth four dot test in patients with congenital red-green color vision defects who have normal or abnormal binocular vision. METHODS: A retrospective review of medical records was performed on 30 consecutive congenital red-green color vision defect patients who underwent the Worth four dot test...
May 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28009793/measurement-duration-and-frequency-impact-objective-light-exposure-measures
#14
Sekar Ulaganathan, Scott A Read, Michael J Collins, Stephen J Vincent
PURPOSE: To determine the measurement duration and frequency required to reliably quantify the typical personal light exposure patterns of children and young adults. METHODS: Ambient light exposure data were obtained from 31 young adults and 30 children using a wrist-worn light sensor configured to measure ambient light exposure every 30 seconds for 14 days. To examine the influence of measurement duration upon light exposure, the daily time exposed to outdoor light levels (>1000 lux) was initially calculated based upon data from all 14 days and then recalculated from 12, 10, 8, 6, 4, and 2 randomly selected days...
May 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28338565/corneal-nerve-morphology-sensitivity-and-tear-neuropeptides-in-contact-lens-wear
#15
Blanka Golebiowski, Cecilia Chao, Fiona Stapleton, Isabelle Jalbert
PURPOSE: To determine tear neuropeptide levels in contact lens wearers and non-wearers, and to examine relationships with indices of corneal innervation, tear function, and ocular discomfort. METHODS: A cross-sectional, single-visit, investigator-masked pilot study. Assessments included Ocular Comfort Index (OCI), central and mid-peripheral corneal nerve density and morphology (HRT-Rostock), corneal sensitivity (Cochet-Bonnet aesthesiometer), tear Substance P and calcitonin gene-related peptide (CGRP) concentration (ELISA), in situ tear osmolarity (TearLab), tear secretion (Phenol Red Thread), and noninvasive tear break-up time (NITBUT; Keeler Tearscope)...
April 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28338564/studying-the-retinal-source-of-photophobia-by-facial-electroretinography
#16
Christopher W Tyler, Lora T Likova
PURPOSE: Photophobia is a debilitating clinical condition that disrupts the ability to use vision for everyday tasks in bright lighting conditions. The goal of the study is to develop a methodology to study the neural basis of photophobia and the contribution of the melanopic pathway to its etiology with differential chromatic responses by means of standard electroencephalographic recording equipment. METHODS: We introduce and validate the approach of recording wavelength-specific electroretinographic (ERG) responses from the face electrodes of the high-density whole-head electroencephalography recording system under light-adapted conditions...
April 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28338563/making-eye-health-a-population-imperative-putting-plans-into-action
#17
David Heath
No abstract text is available yet for this article.
April 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28338562/making-eye-health-a-population-imperative-a-vision-for-tomorrow-a-report-by-the-committee-on-public-health-approaches-to-reduce-vision-impairment-and-promote-eye-health
#18
Lori L Grover
No abstract text is available yet for this article.
April 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28338561/making-eye-health-a-population-imperative-a-question-of-priorities
#19
Michael D Twa
No abstract text is available yet for this article.
April 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28234794/african-american-patient-preferences-for-glaucoma-education
#20
Betsy Sleath, Scott Davis, Robyn Sayner, Delesha M Carpenter, Terence Johnson, Susan J Blalock, Alan L Robin
PURPOSE: The objectives of the study were to examine (a) the types of questions that African American patients have about glaucoma for their providers and (b) how patients' sociodemographic characteristics are associated with where and from whom they would like to learn about glaucoma and glaucoma medications. METHODS: Forty-nine adult African American patients with glaucoma were recruited at a private ophthalmology clinic where they completed a questionnaire for this cross-sectional study...
April 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
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