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Clinical & Experimental Optometry: Journal of the Australian Optometrical Association | Page 2

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https://read.qxmd.com/read/30950119/atypical-junctional-scotoma-secondary-to-optic-chiasm-atrophy-a-case-report
#21
Christopher J Borgman
No abstract text is available yet for this article.
April 4, 2019: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://read.qxmd.com/read/30924211/estimation-of-angle-kappa-and-pupil-barycentre-configuration-in-myopic-tilted-disc-syndrome
#22
Cem Cankaya, Ercan Ozsoy, Ersin Ersan Demirel, Nihat Polat, Abuzer Gunduz
BACKGROUND: To evaluate the angle kappa and pupil barycentre configuration in patients with myopic tilted disc syndrome (TDS). METHODS: Thirty-five eyes of 35 patients with TDS were included in the study. Thirty-five eyes of 35 age- and sex-matched healthy subjects were enrolled in the control group. All measurements were performed with the Lenstar LS 900. Angle kappa was calculated according to Pythagorean theorem using the x and y co-ordinates of the pupil centre...
March 28, 2019: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://read.qxmd.com/read/30924199/ex-vivo-evaluation-of-the-stability-safety-and-antibacterial-efficacy-of-an-extemporaneous-povidone-iodine-preparation-for-ophthalmic-applications
#23
Stephen Lee, Darina Khun, Gamith L Kumarasinghe, Gayan H De Zoysa, Vijayalekshmi Sarojini, Hans R Vellara, Ilva D Rupenthal, Sachin S Thakur
BACKGROUND: Povidone-iodine is used as a cost-effective broad-spectrum antiseptic in the prophylaxis and treatment of certain ocular infections. In this study, the stability, ophthalmic irritation potential and antibacterial efficacy of an extemporaneous povidone-iodine preparation was determined using established ex vivo and in vitro assays. METHODS: Extemporaneous iodine was prepared by simple dilution in normal saline. Preparation stability was evaluated by monitoring concentration and pH...
March 28, 2019: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://read.qxmd.com/read/30924179/quantification-of-corneal-transparency-in-post-mortem-human-corneas-using-laser-scatter-image-analysis
#24
Aarwin Joshua Richard, Jeyanth Suresh Rose, Sanita Korah, Mahima Keziah, Shalin Arambhan, A Arthi, S M Jaisakthi, V Vijayarajan
BACKGROUND: The cornea is a highly transparent structure covering the anterior one-fifth of the eyeball. The suitability of post-mortem donor corneas for keratoplasty is currently qualitatively assessed. This makes inferences prone to bias and subjective variability. This study aimed to develop a simple, feasible and cost-effective method to quantify corneal transparency. METHODS: An artificial anterior chamber was modified to provide a central transparent passage and a standardised pressure segment...
March 28, 2019: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://read.qxmd.com/read/30895670/peripheral-eye-length-measurement-techniques-a-review
#25
REVIEW
Ingrid Ornella Koumbo Mekountchou, Fabian Conrad, Padmaja Sankaridurg, Klaus Ehrmann
Along with the rising myopia epidemic is the increasing interest in any ocular parameter that might inform understanding of myopia progression. The relationship between eye length and myopia has long been established but the recent interest in the central and peripheral retina, eye shape, retinal contour, and refractive error development is attracting more clinical and research interest in peripheral eye length measurements. Therefore, peripheral eye length measurements are an important step in the ongoing research involving the peripheral retina...
March 20, 2019: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://read.qxmd.com/read/30891823/imaging-choroidal-knuckle
#26
Purna Nangia, Sugandha Goel, Dhaivat Shah, Eesh Nigam, Kumar Saurabh, Rupak Roy
No abstract text is available yet for this article.
March 19, 2019: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://read.qxmd.com/read/30887593/corneal-elevation-changes-after-forced-eyelid-closure-in-healthy-participants-and-in-patients-with-keratoconus
#27
Eray Atalay, Raymond P Najjar, Tin Aung Tun, Onur Özalp, Mustafa D Bilgeç, Nilgün Yıldırım
BACKGROUND: To assess pointwise corneal elevation changes after forced eyelid closure test (FECT) in the eyes of healthy subjects and in eyes with keratoconus. METHODS: Twenty-nine subjects with keratoconus and 31 healthy volunteers were evaluated. Patients with keratoconus who had corneal hydrops, apical scarring, corneal thickness ≤ 400 μm, ocular surface disease, contact lens wear on the examination day and a history of corneal cross-linking were excluded...
March 18, 2019: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://read.qxmd.com/read/30887574/four-year-changes-in-corneal-biomechanical-properties-in-children
#28
Hamed Momeni-Moghaddam, Hassan Hashemi, Siamak Zarei-Ghanavati, Hadi Ostadimoghaddam, Abbasali Yekta, Mohammadreza Aghamirsalim, Mehdi Khabazkhoob
BACKGROUND: To determine four-year changes of corneal biomechanical parameters in Iranian children aged seven to eleven years and their correlation with optical components. METHODS: In this four-year prospective cohort study, 468 children aged seven to eleven years who were initially evaluated in 2012 were re-evaluated in 2016-2017. Multi-stage stratified cluster sampling was applied. Cycloplegic refraction, biometry using LENSTAR/BioGraph, and corneal biomechanical assessment using Ocular Response Analyzer (ORA) were undertaken for each participant...
March 18, 2019: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://read.qxmd.com/read/30883919/longitudinal-changes-in-outer-nuclear-layer-thickness-in-soft-drusen-and-reticular-pseudodrusen
#29
Clara Ramon, Genis Cardona, Marc Biarnés, Lucia L Ferraro, Jordi Monés
BACKGROUND: Drusen are seen in the early and intermediate stages of age-related macular degeneration. A retrospective, two-year observational study at a tertiary centre was designed to assess outer nuclear layer thickness in different types of drusen. METHODS: Patients over 50 years of age with predominant soft drusen or reticular pseudodrusen were included in the study. Fundus photography, infrared, fundus autofluorescence and spectral domain optical coherence tomography were performed at baseline, years one and two...
March 18, 2019: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://read.qxmd.com/read/30882963/repeatability-of-wide-field-choroidal-thickness-measurements-using-enhanced-depth-imaging-optical-coherence-tomography
#30
Hosein Hoseini-Yazdi, Stephen J Vincent, Michael J Collins, Scott A Read, David Alonso-Caneiro
BACKGROUND: To examine the repeatability of choroidal thickness measurements across a 55° field, in a sample of healthy young adults using wide-field enhanced-depth imaging optical coherence tomography. METHODS: High-resolution wide-field volumetric enhanced-depth imaging scans were obtained from the right eye of 27 adults (mean age 27 ± 5 years) during two sessions, separated by 19 ± 15 days, using the follow-up feature of the Spectralis instrument, while controlling for confounding factors known to influence choroidal thickness...
March 18, 2019: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://read.qxmd.com/read/30866109/repeatability-of-two-subjective-accommodative-amplitude-measurements-and-agreement-with-an-objective-method
#31
Yunyun Chen, Chuanchuan Zhang, Chenglu Ding, Chunwen Tao, Jinhua Bao, Jingwei Zheng, Hao Chen
BACKGROUND: The aim was to compare the repeatability of subjective accommodative amplitude (AA) measurements obtained using the modified push-up and minus-lens methods and determine the agreement with objective AA by an autorefractor. METHODS: The right eyes of 47 adults aged 22-30 years (mean 25.1 ± 1.9) were measured by subjective AA using the modified push-up and minus-lens methods. Subjective AAs with first sustained blur and unreadable criteria were obtained with an average of three consecutive measurements...
March 13, 2019: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://read.qxmd.com/read/30866063/long-term-corneal-multifocal-stability-following-a-presbylasik-technique-analysed-by-a-light-propagation-algorithm
#32
Asier Villanueva, Veronica Vargas, David Mas, Magda Torky, Jorge L Alió
BACKGROUND: There is a lack of scientific evidence on long-term follow-up of the outcomes of the presbyLASIK techniques. This study aimed to objectively evaluate corneal stability three years following excimer laser central presbyLASIK. METHODS: This is a longitudinal, retrospective, observation of a consecutive series of cases comprising 24 eyes which had been treated by central myopic or hyperopic Presbymax central presbyLASIK. Eyes treated with the same version of presbyLASIK software were included and followed by corneal topography at three months, one and three years after surgery...
March 13, 2019: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://read.qxmd.com/read/30834591/corneal-confocal-microscopy-ready-for-prime-time
#33
REVIEW
Ioannis N Petropoulos, Georgios Ponirakis, Adnan Khan, Hoda Gad, Hamad Almuhannadi, Michael Brines, Anthony Cerami, Rayaz A Malik
Corneal confocal microscopy is a non-invasive ophthalmic imaging modality, which was initially used for the diagnosis and management of corneal diseases. However, over the last 20 years it has come to the forefront as a rapid, non-invasive, reiterative, cost-effective imaging biomarker for neurodegeneration. The human cornea is endowed with the densest network of sensory unmyelinated axons, anywhere in the body. A robust body of evidence shows that corneal confocal microscopy is a reliable and reproducible method to quantify corneal nerve morphology...
March 4, 2019: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://read.qxmd.com/read/30834589/psychosocial-assessment-of-potential-retinal-prosthesis-trial-participants
#34
Sharon A Bentley, Fleur O'Hare, Gregory C Murphy, Robert P Finger, Chi D Luu, Jill E Keeffe, Carla J Abbott, Robyn H Guymer, Lauren N Ayton
BACKGROUND: As the field of retinal prostheses advances, volunteers are required for device trials, and optimal participant recruitment is vital for intervention success. The aims of this study were: (i) to select tests that assess the psychosocial aspects of visual impairment and develop a psychosocial assessment protocol for persons who may be eligible for participation in retinal prostheses trials; (ii) to investigate correlations between these tests; and (iii) to determine associations between psychosocial factors and a person's interest in participating in a retinal prosthesis (bionic eye) trial...
March 4, 2019: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://read.qxmd.com/read/30834574/the-effect-of-cycloplegia-on-biometric-measurements-using-swept-source-optical-coherence-tomography-based-biometry
#35
Sehnaz Ozcaliskan, Nursal Melda Yenerel
BACKGROUND: To evaluate the effect of pupil dilation obtained with cyclopentolate on biometric measurements using swept-source optical coherence tomography biometry. METHODS: This study involved 63 eyes of 63 healthy volunteers. After ophthalmic examination, biometry measurements of the participants were obtained with IOL Master 700 (Carl Zeiss Meditec AG, Jena, Germany). After pre-dilation measurements were taken, subjects were given one drop of cyclopentolate hydrochloride ophthalmic solution three times at 10-minute intervals...
March 4, 2019: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://read.qxmd.com/read/30818419/reproducibility-in-measuring-tear-samples-using-a-freezing-point-depression-osmometer
#36
Hugo Pena-Verdeal, Carlos García-Resúa, Covadonga Vazquez-Sanchez, Jacobo Garcia-Queiruga, Eva Yebra-Pimentel, María J Giráldez
BACKGROUND: Hyperosmolarity of tear fluid has been recognised as a common feature of all types of dry eye disease. This study was designed to assess the inter-session reproducibility of a freezing point depression osmometer (Fiske 110) as the most common and precise way of measuring osmolality, by using two different volumes of tear samples on healthy subjects, and to determine the possible applications of this device in tear film research and clinical practice. METHODS: Measurements were made by using the Fiske 110 osmometer under two different tear sample volumes (4 μl and 2 μl)...
February 28, 2019: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://read.qxmd.com/read/31018256/optical-coherence-tomography-seeing-the-unseen
#37
EDITORIAL
Bang V Bui, Laura E Downie, Richard G Lindsay
No abstract text is available yet for this article.
May 2019: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://read.qxmd.com/read/30801822/what-if-we-didn-t-have-a-journal
#38
EDITORIAL
Nathan Efron
No abstract text is available yet for this article.
March 2019: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://read.qxmd.com/read/30805993/the-effects-of-reflected-glare-and-visual-field-lighting-on-computer-vision-syndrome
#39
Chao-Wen Lin, Feng-Ming Yeh, Bo-Wen Wu, Chang-Hao Yang
BACKGROUND: Computer vision syndrome is common and affects performance of visual tasks. Background illumination, light source, light compensation, position of the display, contrast and glare are environmental factors associated with computer vision syndrome. The aim of this study is to investigate the effects of reflected glare and visual field lighting on computer vision syndrome. METHODS: In a reflected glare experiment, participants performed a two-hour visual task using a glossy, matte, or glare-free surface display in two visual environments (normal, glare)...
February 25, 2019: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://read.qxmd.com/read/30801801/could-adoption-of-the-rural-pipeline-concept-redress-australian-optometry-workforce-issues
#40
REVIEW
Jacqueline M Kirkman, Sharon A Bentley, James A Armitage, Craig A Woods
People living in rural and remote areas have poorer ocular health outcomes compared with those living in metropolitan areas. Reasons for this are multiple and complex but access to care is consistently reported as a defining factor. The geographic maldistribution of eye-care professionals is a major obstacle for regional, rural and remote Australians seeking care. Research from the medical profession suggests adopting the 'rural pipeline' concept to address the issue of maldistribution. This approach appears to have had some success in medicine, and involves recruiting students from a rural background, exposing students to rural practice through placements and offering graduates incentives and support to practice rurally...
February 23, 2019: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
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