journal
MENU ▼
Read by QxMD icon Read
search

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

journal
https://www.readbyqxmd.com/read/29135718/case-report-adenocarcinoma-of-the-lacrimal-gland-presenting-as-an-abduction-deficit
#1
Crystal L DeLuca, Regina E Zimmers
SIGNIFICANCE: It is imperative to follow the clinical guidelines for abduction deficits to ensure prompt diagnosis of potentially serious etiologies and monitor only those in which a microvascular etiology is most likely. This case reports highlights a rare diagnosis of a malignant tumor of the lacrimal gland presenting as an abduction deficit. PURPOSE: Tumors of the lacrimal gland can cause abduction deficits, which may mimic an abducens nerve palsy. Abducens nerve palsies are often encountered by optometrists...
November 11, 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/29135719/corneal-biomechanical-properties-in-high-myopia-measured-by-dynamic-scheimpflug-imaging-technology
#2
Miao He, Wei Wang, Hui Ding, Xingwu Zhong
SIGNIFICANCE: The cornea is a viscoelastic tissue with viscous and elastic properties. The information of corneal biomechanical changes in high myopia has implications for understanding the pathogenesis of high myopia and primary open angle glaucoma. However, the knowledge of corneal biomechanics in high myopia is limited. PURPOSE: To compare the corneal biomechanical properties in high-myopia subjects and emmetropia subjects. METHODS: Dynamic Scheimpflug imaging technology was used to measure intraocular pressure, central corneal thickness, and corneal biomechanical parameters, including time at the first applanation, velocity at the first applanation, length at the first applanation, deformation amplitude at the first applanation, time at the second applanation, A2V (velocity at the second applanation), length at the second applanation (A2L), deformation amplitude at the second applanation, time at the highest concavity, radius curvature at the highest concavity (HCR), maximal deformation amplitude (MDA), and peak distance...
November 10, 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/29120977/use-of-a-scan-ultrasound-and-optical-coherence-tomography-to-differentiate-papilledema-from-pseudopapilledema
#3
Roberto Saenz, Han Cheng, Thomas C Prager, Laura J Frishman, Rosa A Tang
SIGNIFICANCE: Differentiating papilledema from pseudopapilledema reflecting tilted/crowded optic discs or disc drusen is critical but can be challenging. Our study suggests that spectral-domain optical coherence tomography (OCT) peripapillary retinal nerve fiber layer thickness and retrobulbar optic nerve sheath diameter (ONSD) measured by A-scan ultrasound provide useful information when differentiating the two conditions. PURPOSE: To evaluate the use of A-scan ultrasound and spectral-domain OCT retinal nerve fiber layer thickness (RNFLT) in differentiating papilledema associated with idiopathic intracranial hypertension from pseudopapilledema...
November 9, 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/29120976/case-report-masquerading-large-vessel-giant-cell-arteritis
#4
Paul Jacquier, Raphael Wuarin, Carlo Chizzolini, Gabriele Thumann, Heimo Steffen, Argyrios Chronopoulos
SIGNIFICANCE: Large-vessel giant cell arteritis (GCA) can be a diagnostic dilemma for the eye care provider because it may not involve the typical cranial arteries. When any of its potential ocular complications are diagnosed, it is important to consider this unusual form of GCA. PURPOSE: To report an unusual ophthalmic presentation of large-vessel GCA with sequential bilateral anterior ischemic optic neuropathy and branch retinal artery occlusion. METHODS: A 65-year-old previously healthy woman experienced sequential bilateral anterior ischemic optic neuropathy with branch retinal artery occlusion in the absence of other signs and symptoms suggestive of cranial GCA...
November 9, 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/29120975/refractive-error-in-a-sample-of-black-high-school-children-in-south-africa
#5
Samuel Otabor Wajuihian, Rekha Hansraj
SIGNIFICANCE: This study focused on a cohort that has not been studied and who currently have limited access to eye care services. The findings, while improving the understanding of the distribution of refractive errors, also enabled identification of children requiring intervention and provided a guide for future resource allocation. PURPOSE: The aim of conducting the study was to determine the prevalence and distribution of refractive error and its association with gender, age, and school grade level...
November 9, 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/29116953/identification-of-an-nd4-mutation-in-leber-hereditary-optic-neuropathy
#6
Qian Lu, Yi Guo, Junhui Yi, Xiong Deng, Zhijian Yang, Xiuhong Yuan, Hao Deng
SIGNIFICANCE: We identified a missense mutation, m.11778G>A (p.R340H), in the mitochondrially encoded NADH dehydrogenase 4 gene (ND4) in eight patients and three asymptomatic carriers, even though the incidence of this has been considered low in Chinese population. These results have implications for the families' genetic counseling and clinical management. PURPOSE: Leber hereditary optic neuropathy (LHON OMIM 535000) is one of the most common inherited optic neuropathies...
November 8, 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/29116952/a-model-of-the-effect-of-lens-development-on-refraction-in-schoolchildren
#7
Ji C He
SIGNIFICANCE: The study provides a new theory on the mechanism underlying myopia development, and it could be useful in clinical practice to control myopia development in schoolchildren. PURPOSE: To model the effect of the crystalline lens on refractive development in schoolchildren. METHODS: The Zemax 13 was used to calculate Zernike aberrations and refractions across 50° horizontal visual fields. Optical effects of the anterior chamber depth, lens thickness, and radii of curvature of the lens surfaces on refractions were modeled...
November 8, 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/29095758/patient-reported-outcomes-for-assessment-of-quality-of-life-in-refractive-error-a-systematic-review
#8
Himal Kandel, Jyoti Khadka, Michael Goggin, Konrad Pesudovs
SIGNIFICANCE: This review has identified the best existing patient-reported outcome (PRO) instruments in refractive error. The article highlights the limitations of the existing instruments and discusses the way forward. PURPOSE: A systematic review was conducted to identify the types of PROs used in refractive error, to determine the quality of the existing PRO instruments in terms of their psychometric properties, and to determine the limitations in the content of the existing PRO instruments...
November 1, 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/29064950/epidemiology-of-reduced-visual-acuity-among-chinese-multiethnic-students
#9
Deng-Juan Qian, Min Hu, Hua Zhong, Qiao Nie, Jun Li, Yuansheng Yuan, Chen-Wei Pan
SIGNIFICANCE: Data regarding the epidemiology of reduced visual acuity (VA) among multiethnic children and adolescents in China are few. Understanding the vision-related health inequalities among different ethnic groups is crucial for health resource allocations and clinical managements for eye diseases. PURPOSE: We aim to determine the prevalence, main causes, and health inequalities of reduced VA in multiethnic school students in rural China. METHODS: A school-based eye survey including 7681 multiethnic school students aged 5 to 16 years in the southwestern part of China was conducted...
October 23, 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/29053488/causes-of-childhood-vision-impairment-in-the-school-for-the-blind-in-eritrea
#10
Rajendra Gyawali, Vanessa R Moodley
SIGNIFICANCE: Our study provides the much-needed evidence on causes of childhood blindness in Eritrea. This will assist authorities to plan appropriate strategies and implement preventive, curative, and rehabilitative services to address these causes of vision loss in children in this resource-limited country. PURPOSE: This study aims to identify the causes of severe vision impairment and blindness in children attending the only school for the blind in Eritrea. METHODS: All children enrolled in the school were examined, and the World Health Organization form for the examination of visually impaired children was used to record the data...
October 19, 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/29053487/effect-of-experimental-conditions-in-the-accommodation-response-in-myopia
#11
Carles Otero, Mikel Aldaba, Fuensanta A Vera-Diaz, Jaume Pujol
SIGNIFICANCE: The accommodative response is more affected by the type of refractive error than the method of stimulation, field of view (FOV), or stimulus depth. PURPOSE: This study aims to analyze the effect of stimulation method, stimulus depth, and FOV on the accommodation response (AR) for emmetropes (EMM), late-onset myopes (LOM), and early-onset myopes (EOM). METHODS: Monocular AR was measured in 26 young observers (n = 9 EMM, n = 8 LOM, n = 9 EOM) under 60 different viewing conditions that were the result of permuting the following factors: (1) stimulation method (free space or Badal lens viewing), (2) stimulus depth (flat or volumetric), (3) FOV (2...
October 19, 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/29095796/how-to-tell-if-you-might-be-a-scientist-eight-risk-factors
#12
Michael D Twa
No abstract text is available yet for this article.
November 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/29045319/authors-response
#13
William H Ridder, Caren Oquindo, Kavita Dhamdhere, James Burke
No abstract text is available yet for this article.
November 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/29045318/letter-to-the-editor-effect-of-povidone-iodine-5-on-the-cornea-vision-and-subjective-comfort
#14
Andrew Hartwick, Ellen Shorter, Mathew Margolis, Spencer Johnson, Tammy Than
No abstract text is available yet for this article.
November 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/29040199/in-vitro-effect-of-lysozyme-on-albumin-deposition-to-hydrogel-contact-lens-materials
#15
Negar Babaei Omali, Lakshman N Subbaraman, Miriam Heynen, Zohra Fadli, Chantal Coles-Brennan, Lyndon W Jones
SIGNIFICANCE: Albumin deposition on contact lenses could be detrimental to contact lens (CL) wear because this may increase the risk of bacterial binding and reduce comfort. Lysozyme deposition on selected lens materials would reduce albumin deposition on lenses. PURPOSE: This study aims to determine if lysozyme deposition on CLs could act as a barrier against subsequent albumin adsorption, using an in vitro model. METHODS: Six hydrogel CL materials (etafilcon A, polymacon, nelfilcon A, omafilcon A, ocufilcon B, and nesofilcon A) were evaluated...
November 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/29035923/randomized-trial-of-desktop-humidifier-for-dry-eye-relief-in-computer-users
#16
Michael T M Wang, Evon Chan, Linda Ea, Clifford Kam, Yvonne Lu, Stuti L Misra, Jennifer P Craig
SIGNIFICANCE: Dry eye is a frequently reported problem among computer users. Low relative humidity environments are recognized to exacerbate signs and symptoms of dry eye, yet are common in offices of computer operators. Desktop USB-powered humidifiers are available commercially, but their efficacy for dry eye relief has not been established. PURPOSE: This study aims to evaluate the potential for a desktop USB-powered humidifier to improve tear-film parameters, ocular surface characteristics, and subjective comfort of computer users...
November 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/29035922/effect-of-scattering-and-aberrations-on-visual-acuity-for-band-keratopathy
#17
Kazutaka Kamiya, Hidenaga Kobashi, Masahide Takahashi, Nobuyuki Shoji, Kimiya Shimizu
SIGNIFICANCE: The progressive accumulation of the calcification may deteriorate corneal transparency, especially in the interpalpebral area, and subsequent visual performance for patients with band keratopathy. However, the detailed quantitative analysis of light scattering or higher-order aberrations on visual performance for these patients so far has not been elucidated. PURPOSE: The aim of this study was to assess the relationship of intraocular forward scattering, corneal backward scattering, and corneal higher-order aberrations with visual acuity in eyes with band keratopathy...
November 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28990988/case-report-in-vivo-confocal-microscopic-appearance-of-corneal-argyrosis
#18
Mengliang Wu, Xiaochun Wang, Tingting Shao, Yan Wang
SIGNIFICANCE: This report details the natural history of corneal argyrosis over 3 years using in vivo confocal microscopy to document regression of hyperreflective deposits, as well as effects on corneal nerves and endothelial cell morphology. PURPOSE: To report the in vivo confocal microscopic features and clinical characteristics of a case of bilateral corneal argyrosis. CASE REPORT: A 52-year-old man referred to us 3 months following cautery of the palpebral conjunctiva of both eyes with a silver nitrate stick was observed over the course of 3 years, during which slit-lamp photography and in vivo confocal microscopy were performed...
November 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28957834/case-report-use-of-self-retained-cryopreserved-amniotic-membrane-in-the-treatment-of-acute-chemical-ocular-burn
#19
Adam T Shupe, Anny M S Cheng
SIGNIFICANCE: Ocular chemical injury is a medical emergency in which immediate treatment is critical to prevent visual morbidity. We report a severe ocular burn case that illustrates in-office management to promote rapid re-epithelialization and reduce inflammation to restore ocular surface integrity. PURPOSE: To report a case of severe acid burn that was managed successfully with self-retained cryopreserved amniotic membrane (AM). METHODS: A 43-year-old man presented with complaints of pain, light sensitivity, and blurred vision in both eyes 1 day after ocular exposure to acid...
November 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28957833/effects-of-lens-care-solutions-on-hydrogel-lens-performance
#20
Britney Kitamata-Wong, Tiffany Yuen, Wing Li, Tatyana Svitova, Yixiu Zhou, Meng C Lin
SIGNIFICANCE: Lens care multipurpose solutions (MPSs) can have varying effects on contact lens (CL) surface properties and the corneal epithelium. PURPOSE: The aim of this study was to investigate the short-term effects of newer MPS on CL comfort and dryness, prelens tear-film stability, and ocular-surface health. In vitro study was also performed to assess the effect of MPSs on CL surface properties. METHODS: Acuvue 2 CLs were soaked in control solution, Clear Care (CC), or test solutions: PureMoist, Biotrue, RevitaLens (RL), or saline solution (SS)...
November 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
journal
journal
30085
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"