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https://www.readbyqxmd.com/read/28597930/infection-control-guidelines-for-optometrists-2016
#1
Ka-Yee Lian, Genevieve Napper, Fiona J Stapleton, Patricia M Kiely
BACKGROUND: This paper provides an updated version of the paper: Infection control guidelines for optometrists 2007. METHODS: Information from peer-reviewed journal articles, guidelines from professional societies, and government health department and other websites and instructions from equipment manufacturers were considered in determining infection risk factors in optometric practice. They were used to revise the recommendations on disinfection, sterilisation and reprocessing procedures for instrumentation and other equipment used in optometric practice as well as personal infection control measures to be undertaken by staff...
June 9, 2017: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://www.readbyqxmd.com/read/28538612/scleral-contact-lenses-in-an-academic-oculoplastics-clinic-epidemiology-and-emerging-considerations
#2
Harinder S Chahal, Marcela Estrada, Christine W Sindt, Jacob A Boehme, Mark A Greiner, Jeffrey A Nerad, Keith D Carter, Richard C Allen, Erin M Shriver
PURPOSE: To describe the role and efficacy of scleral contact lenses (SCLs) in the treatment of progressive keratopathy in patients who have undergone periocular surgical procedures, to investigate the financial impact of these surgical interventions, and to demonstrate the role of oculoplastic surgery in improving scleral contact lens fit. METHODS: A retrospective medical record review was performed to identify patients who both received SCLs and were examined by the oculoplastics service at the University of Iowa between January 1990 and December 2015...
May 22, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28508209/estimates-of-underwater-and-aerial-visual-acuity-in-the-european-beaver-castor-fiber-l-based-on-morphological-data
#3
A M Mass, A Ya Supin
The eye optics and topographic distribution of ganglion cells were studied using whole mount preparations from European beaver Castor fiber L. The beaver eye optics provides emmetropia in air and hypermetropia in water. The optometrical measurements predict retinal resolution of the beaver eye around 17' in air and 9' in water. In air, retinal resolution corresponds to the real visual acuity, whereas in water, visual acuity is below the retinal resolution because of the non-precise focusing.
March 2017: Doklady Biological Sciences: Proceedings of the Academy of Sciences of the USSR, Biological Sciences Sections
https://www.readbyqxmd.com/read/28470770/a-proposed-minimum-data-set-for-international-primary-care-optometry-a-modified-delphi-study
#4
Christopher J Davey, Sarah V Slade, Darren Shickle
PURPOSE: To identify a minimum list of metrics of international relevance to public health, research and service development which can be extracted from practice management systems and electronic patient records in primary optometric practice. METHODS: A two stage modified Delphi technique was used. Stage 1 categorised metrics that may be recorded as being part of a primary eye examination by their importance to research using the results from a previous survey of 40 vision science and public health academics...
May 4, 2017: Ophthalmic & Physiological Optics: the Journal of the British College of Ophthalmic Opticians (Optometrists)
https://www.readbyqxmd.com/read/28463575/the-prevalence-of-strabismus-heterophorias-and-their-associated-factors-in-underserved-rural-areas-of-iran
#5
Hassan Hashemi, Payam Nabovati, Abbasali Yekta, Hadi Ostadimoghaddam, Bardia Behnia, Mehdi Khabazkhoob
PURPOSE: To determine the prevalence of different types of strabismus and heterophoria and their associated factors in underserved rural areas of Iran. METHODS: Two rural areas in the north and southwest of Iran were randomly sampled using multistage cluster sampling. Individuals aged over 1 year, totaling 3851, were invited to participate in the study. In addition to collecting demographic data, optometric examinations were performed for each participant. Unilateral and alternating cover tests were performed at far (6 m) and near (40 cm) to detect tropia and phoria, respectively, and the magnitude of the deviation was measured using alternating cover test and prism bar...
May 2, 2017: Strabismus
https://www.readbyqxmd.com/read/28430177/the-prevalence-of-visual-impairment-and-blindness-in-underserved-rural-areas-a-crucial-issue-for-future
#6
H Hashemi, A Yekta, E Jafarzadehpur, A Doostdar, H Ostadimoghaddam, M Khabazkhoob
PurposeTo determine the prevalence of visual impairment and blindness in underserved Iranian villages and to identify the most common cause of visual impairment and blindness.Patients and methodsMultistage cluster sampling was used to select the participants who were then invited to undergo complete examinations. Optometric examinations including visual acuity, and refraction were performed for all individuals. Ophthalmic examinations included slit-lamp biomicroscopy and ophthalmoscopy. Visual impairment was determined according to the definitions of the WHO and presenting vision...
April 21, 2017: Eye
https://www.readbyqxmd.com/read/28386574/quantitative-electroencephalograms-and-neuro-optometry-a-case-study-that-explores-changes-in-electrophysiology-while-wearing-therapeutic-eyeglasses
#7
Deborah Zelinsky, Corey Feinberg
The brain is equipped with a complex system for processing sensory information, including retinal circuitry comprising part of the central nervous system. Retinal stimulation can influence brain function via customized eyeglasses at both subcortical and cortical levels. We investigated cortical effects from wearing therapeutic eyeglasses, hypothesizing that they can create measureable changes in electroencephalogram (EEG) tracings. A Z-Bell(SM) test was performed on a participant to select optimal lenses. An EEG measurement was recorded before and after the participant wore the eyeglasses...
January 2017: Neurophotonics
https://www.readbyqxmd.com/read/28332896/the-distribution-of-macular-thickness-and-its-determinants-in-a-healthy-population
#8
Hassan Hashemi, Mehdi Khabazkhoob, AbbasAli Yekta, Mohammad Hassan Emamian, Payam Nabovati, Akbar Fotouhi
PURPOSE: To determine the distribution of macular thickness in a healthy Iranian population aged 45-69 years and its association with certain determinants. METHODS: All participants underwent optometric examinations including measurement of uncorrected and corrected visual acuity, objective refraction by retinoscopy, and subjective refraction. Subsequently, all participants underwent slit-lamp biomicroscopy followed by fundus examination through direct and indirect ophthalmoscopy, and optical coherence tomography (OCT) imaging under pupil dilation...
March 23, 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28325632/current-optometric-practices-and-attitudes-in-keratoconus-patient-management
#9
Sara Ortiz-Toquero, Raul Martin
PURPOSE: To compare the current optometric practices and attitudes in the management of keratoconus patients in the UK and Spain. METHODS: An online survey (adapted to optometric practices) was distributed via a newsletter emailed by various professional organizations in the UK and Spain. RESULTS: Four hundred and sixty-four practitioners (126 in the UK; 338 in Spain) who prescribed gas permeable GP contact lenses (CLs) more than once per month (54...
March 18, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28273318/functional-outcomes-of-the-low-vision-depression-prevention-trial-in-age-related-macular-degeneration
#10
Ashley D Deemer, Robert W Massof, Barry W Rovner, Robin J Casten, Catherine V Piersol
Purpose: To compare the efficacy of behavioral activation (BA) plus low vision rehabilitation with an occupational therapist (OT-LVR) with supportive therapy (ST) on visual function in patients with age-related macular degeneration (AMD). Methods: Single-masked, attention-controlled, randomized clinical trial with AMD patients with subsyndromal depressive symptoms (n = 188). All subjects had two outpatient low vision rehabilitation optometry visits, then were randomized to in-home BA + OT-LVR or ST...
March 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28266060/self-reported-optometric-practise-patterns-in-age-related-macular-degeneration
#11
Angelica Ly, Lisa Nivison-Smith, Barbara Zangerl, Nagi Assaad, Michael Kalloniatis
BACKGROUND: The use of advanced imaging in clinical practice is emerging and the use of this technology by optometrists in assessing patients with age-related macular degeneration is of interest. Therefore, this study explored contemporary, self-reported patterns of practice regarding age-related macular degeneration diagnosis and management using a cross-sectional survey of optometrists in Australia and New Zealand. METHODS: Practising optometrists were surveyed on four key areas, namely, demographics, clinical skills and experience, assessment and management of age-related macular degeneration...
March 7, 2017: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://www.readbyqxmd.com/read/28237358/audio-visual-interaction-in-visual-motion-detection-synchrony-versus-asynchrony
#12
Stephanie Rosemann, Inga-Maria Wefel, Volkan Elis, Manfred Fahle
OBJECTIVE: Detection and identification of moving targets is of paramount importance in everyday life, even if it is not widely tested in optometric practice, mostly for technical reasons. There are clear indications in the literature that in perception of moving targets, vision and hearing interact, for example in noisy surrounds and in understanding speech. The main aim of visual perception, the ability that optometry aims to optimize, is the identification of objects, from everyday objects to letters, but also the spatial orientation of subjects in natural surrounds...
February 23, 2017: Journal of Optometry
https://www.readbyqxmd.com/read/28211179/what-do-patients-think-about-the-role-of-optometrists-in-providing-advice-about-smoking-and-nutrition
#13
Laura E Downie, Amanda Douglass, Daryl Guest, Peter R Keller
PURPOSE: Tobacco smoking and nutrition are key lifestyle factors with long-term effects on eye health. However, little is known about patients' perceptions and experiences in these areas in relation to the care received from optometrists. The main aim was to survey patients' perceptions and prior experience regarding the role of optometrists in enquiring and providing advice about tobacco smoking and nutrition. METHODS: An anonymous, paper-based survey was distributed to a convenience sample of 225 adults attending the University of Melbourne eye care clinic...
March 2017: Ophthalmic & Physiological Optics: the Journal of the British College of Ophthalmic Opticians (Optometrists)
https://www.readbyqxmd.com/read/28105775/concordance-correlation-coefficients-estimated-by-generalized-estimating-equations-and-variance-components-for-longitudinal-repeated-measurements
#14
Miao-Yu Tsai
The concordance correlation coefficient (CCC) is a commonly accepted measure of agreement between two observers for continuous responses. This paper proposes a generalized estimating equations (GEE) approach allowing dependency between repeated measurements over time to assess intra-agreement for each observer and inter- and total agreement among multiple observers simultaneously. Furthermore, the indices of intra-, inter-, and total agreement through variance components (VC) from an extended three-way linear mixed model (LMM) are also developed with consideration of the correlation structure of longitudinal repeated measurements...
January 20, 2017: Statistics in Medicine
https://www.readbyqxmd.com/read/27798000/multi-stakeholder-perspectives-of-locally-commissioned-enhanced-optometric-services
#15
H Baker, R A Harper, D F Edgar, J G Lawrenson
OBJECTIVES: To explore views of all stakeholders (patients, optometrists, general practitioners (GPs), commissioners and ophthalmologists) regarding the operation of community-based enhanced optometric services. DESIGN: Qualitative study using mixed methods (patient satisfaction surveys, semi-structured telephone interviews and optometrist focus groups). SETTING: A minor eye conditions scheme (MECS) and glaucoma referral refinement scheme (GRRS) provided by accredited community optometrists...
October 25, 2016: BMJ Open
https://www.readbyqxmd.com/read/27790767/collaborative-care-of-non-urgent-macular-disease-a-study-of-inter-optometric-referrals
#16
Angelica Ly, Lisa Nivison-Smith, Michael P Hennessy, Michael Kalloniatis
PURPOSE: Diseases involving the macula and posterior pole are leading causes of visual impairment and blindness worldwide and may require prompt ophthalmological care. However, access to eye-care and timely patient management may be limited due to inefficient and inappropriate referrals between primary eye-care providers and ophthalmology. Optometrists with a special interest in macular disease may be useful as a community aid to better stratify and recommend best-practice management plans for suitable patients...
November 2016: Ophthalmic & Physiological Optics: the Journal of the British College of Ophthalmic Opticians (Optometrists)
https://www.readbyqxmd.com/read/27762449/visual-and-personal-characteristics-are-associated-with-reading-performance-in-normally-sighted-adults
#17
Tamara Brussee, Ruth Ma van Nispen, Ger Hmb van Rens
BACKGROUND: Visual acuity (VA) only slightly explains variability in reading performance, whereas other visual and non-visual parameters have been reported to influence reading performance; however, in ophthalmologic and optometric clinical practice and research, where standardised reading tests are used, many of these parameters are often neglected. The purpose of this study was to give insight into how various visual and non-visual parameters are associated with reading performance in normally sighted subjects...
May 2017: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://www.readbyqxmd.com/read/27622189/lens-density-measurements-by-two-independent-psychophysical-techniques
#18
Anirbaan Mukherjee, Richard A Bone
BACKGROUND: Cataract, a leading cause of vision impairment, is due to the lens becoming excessively optically dense. Change in the lens optical density (LOD) could be a useful indicator of incipient nuclear cataract and would necessitate the development of accurate measurement techniques. Mapcat sf™ is a heterochromatic flicker photometer for measuring macular pigment optical density (MPOD) under photopic conditions. In the process, it also measures LOD that is needed in the calculation of MPOD...
2016: Eye and Vision (London, England)
https://www.readbyqxmd.com/read/27580754/effectiveness-of-uk-optometric-enhanced-eye-care-services-a-realist-review-of-the-literature
#19
REVIEW
Helen Baker, Gokulan Ratnarajan, Robert A Harper, David F Edgar, John G Lawrenson
PURPOSE: UK demographic and legislative changes combined with increasing burdens on National Health Service manpower and budgets have led to extended roles for community optometrists providing locally-commissioned enhanced optometric services (EOS). This realist review's objectives were to develop programme theories that implicitly or explicitly explain quality outcomes for eye care provided by optometrists via EOS and to test these theories by investigating the effectiveness of services for cataract, glaucoma, and primary eye care...
September 2016: Ophthalmic & Physiological Optics: the Journal of the British College of Ophthalmic Opticians (Optometrists)
https://www.readbyqxmd.com/read/27529611/hallucinations-experienced-by-visually-impaired-charles-bonnet-syndrome
#20
Linda Pang
: Charles Bonnet Syndrome is a condition where visual hallucinations occur as a result of damage along the visual pathway. Patients with Charles Bonnet Syndrome maintain partial or full insight that the hallucinations are not real, absence of psychological conditions, and absence of hallucinations affecting other sensory modalities, while maintaining intact intellectual functioning. Charles Bonnet Syndrome has been well documented in neurologic, geriatric medicine, and psychiatric literature, but there is lack of information in optometric and ophthalmologic literature...
December 2016: Optometry and Vision Science: Official Publication of the American Academy of Optometry
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