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quality of vision

Gail Dovey-Pearce, Sophie Walker, Sophie Fairgrieve, Monica Parker, Tim Rapley
Patient and public involvement in research includes non-academics working with researchers, on activities from consultative tasks, to joint working, and on user-led initiatives. Health and social care funding bodies require involvement in research projects. A current debate focuses on a perceived lack of empirical "proof" to demonstrate the impact of involvement upon the quality of research. It is also argued that the working relationships between researchers and those becoming involved need to be understood more fully...
February 15, 2019: Health Expectations: An International Journal of Public Participation in Health Care and Health Policy
Ana María Galacho-Harriero, Pedro David Delgado-López, Antonio Rodríguez-Salazar
The increasing age and complexity of in-hospital neurosurgery patients have raised the number of consultations with Internal Medicine. This type of collaboration is discretional and lacks temporal continuity. The full-time appointment of an internal medicine practitioner to a Neurosurgery Department, with complete care attributions except for strict surgical work, is a feasible organizational option. This method minimizes the need for medical consultation, improves the perceived quality of care, allows neurosurgeons to focus on purely surgical tasks, provides an integral vision of the patient's condition, enriches the group with specialized non-neurosurgical knowledge, and raises the scientific level of the team...
February 12, 2019: Neurocirugía
Francesco Ferrini, Gianpaolo Sannino, Carlo Chiola, Paolo Capparé, Giorgio Gastaldi, Enrico Felice Gherlone
The aim of this in vitro study was to compare the quality of digital workflows generated by different scanners (Intra-oral digital scanners (I.O.S.s)) focusing on marginal fit analysis. A customized chrome-cobalt (Cr-Co) implant abutment simulating a maxillary right first molar was fixed in hemi-maxillary stone model and scanned by eight different I.O.S.s: Omnicam ® (Denstply Sirona, Verona, Italy) CS3500 ® , CS3600 ® , (Carestream Dental, Atlanta, GA, USA), True Definition Scanner ® (3M, St. Paul, MN, USA), DWIO ® (Dental Wings, Montreal, Quebec, Canada), PlanScan ® (Planmeca Oy, Helsinki, Finland), 3D PROGRESS Plus ® (MHT, Verona, Italy), TRIOS 3 ® (3Shape, Copenhagen, Denmark)...
February 14, 2019: International Journal of Environmental Research and Public Health
Batoul Jaber, Reina Remman, Nayla Matar
INTRODUCTION: A patient's voice can vary from one moment to another, and these variations cannot be captured by a one-time assessment. Multiple assessments may give a more holistic idea of the severity of the patient's dysphonia and by asking the patient to do the recordings he becomes involved in his therapeutic plan from the beginning. AIM: This study aims to evaluate the added value of a repetitive assessment outside the speech therapist's (SLP) clinic, to have a broader vision of the voice disorder and identify parameters that change after working hours to be able to explain this disorder and find solutions for it...
February 11, 2019: Journal of Voice: Official Journal of the Voice Foundation
Liesbeth Vanderveken, Birgitte Schoenmakers, Jan De Lepeleire
OBJECTIVE: The goal of palliative care is to improve quality of life when recovery is no longer possible. The study's objective was to widen our vision of potential (unspoken) needs at the end of life with patients, close relatives, nurses, and general practitioners to aim at more versatile but personal care. The question asked was how important patients, close relatives, and healthcare providers considered the 11 core themes in defining a good death, as described in the 2016 article "Defining a good death" by Meier et al...
December 18, 2018: American Journal of Geriatric Psychiatry
Kevin Gillmann, André Mermoud
PURPOSE: To assess the visual performance, clinical and quality of life outcomes, and subjective patient satisfaction after implantation of a new refractive/extended depth of focus (EDOF) hybrid intraocular lens (IOL). METHODS: This is a monocentric, retrospective study of 29 patients (45 eyes), carried out in a tertiary care glaucoma research centre. All patients underwent implantation of a Lucidis (Swiss Advanced Vision, SAV-IOL SA, Neuchâtel, Switzerland) IOL during cataract surgery...
February 14, 2019: Klinische Monatsblätter Für Augenheilkunde
Michael O Rivett, Laura Budimir, Nicholas Mannix, Alexandra V M Miller, Marc J Addison, Phideria Moyo, Gift J Wanangwa, Owen L Phiri, Chrispine E Songola, Muthi Nhlema, Mavuto A S Thomas, Reid T Polmanteer, Amando Borge, Robert M Kalin
Effective response to groundwater salinity in the developing world may critically safeguard drinking-water supplies. Groundwater resources throughout rural Africa are exploited by a vast and increasing number of hand-pumped boreholes for community supply. Our research in TA Ngabu (Shire Valley), Southern Malawi aims to: define groundwater-salinity problem occurrence within the semi-arid alluvial-valley aquifer, rural developing-world setting; critique current capacity to respond; and, to discuss future response options - in particular considering the need to explore alternative options that boldly go beyond the world of hand-pumped groundwater supply...
February 25, 2019: Science of the Total Environment
Yuanfeng Jiang, Shaochong Bu, Fang Tian, Jingli Liang, Tiecheng Wang, Xiuli Xing, Hong Zhang, Xiaomin Zhang
Purpose: To compare long-term clinical outcomes between patients with bilateral implantation of +3.0 diopter (D) multifocal intraocular lenses (IOLs) and mix and match implantation of +2.5 D and +3.0 D multifocal IOLs. Material and Methods: This retrospective observer-masked cohort study comprised 66 eyes of 33 patients with two different strategies of binocular multifocal IOLs implantation: bilateral +3.0 D (17 patients) (bilateral group) and mix and match +2...
2019: Journal of Ophthalmology
Qin Zhu, Yongsong Liu, Sean Tighe, Yingting Zhu, Xuanbo Su, Fabing Lu, Min Hu
Myopia is an important public health problem due to its prevalence and significant public health cost. Elevating levels of myopia increase the risk of vision impairment, and therefore, high myopia has become one of the main causes of untreatable vision loss throughout the world due to its irreversible complications. At present, many options for slowing progression of myopia have already been proposed and evaluated such as progressive addition of executive bifocal spectacle lenses, peripheral defocusing lenses, overnight orthokeratology, pharmacological agents such as atropine eye drops, and multifocal soft contact lenses (MFSCLs)...
2019: International Journal of Medical Sciences
Ramandeep Singh, Britty Baby, Ashish Suri
BACKGROUND: The advancements in microscopy and more recently in neuro-endoscopy, have revolutionized the field of neurosurgery. Hand-held neurosurgical instruments are integral components of these procedures. However, these instruments have many limitations such as deprived ergonomics, constrained maneuverability and limited degrees of freedom. Hence, a need for developing better instruments is commonly felt by neurosurgeons. Also, the focus of modern neurosurgical training is now shifting towards simulation models...
February 8, 2019: World Neurosurgery
Paul H Ernest, Marko Popovic, Matthew B Schlenker, Lindsay Klumpp, Iqbal Ike K Ahmed
PURPOSE: To evaluate differences in higher order aberrations (HOAs) between femtosecond laser-assisted cataract surgery (FLACS) and manual cataract surgery. METHODS: In this retrospective cohort study, consecutive patients undergoing FLACS or manual cataract surgery with implantation of an intraocular lens from January 2017 to February 2018 were recruited. Patients underwent aberrometry testing at least 2 months postoperatively. The primary endpoint was internal coma < 0...
February 1, 2019: Journal of Refractive Surgery
Avi Wallerstein, Marilou Caron-Cantin, Mathieu Gauvin, Eser Adiguzel, Mark Cohen
PURPOSE: To evaluate the outcomes of primary topography-guided laser in situ keratomileusis (LASIK) in eyes with subjective refractive astigmatism of 2.00 diopters (D) or greater. METHODS: This was a prospective study in consecutive eyes with cylinder of 2.00 D or greater that had LASIK using the Alcon WaveLight EX500 excimer laser and T-CAT/Contoura software (Alcon Laboratories, Inc., Fort Worth, TX). The accuracy, efficacy, safety, cylinder vector analysis, higher order aberrations, and patients' subjective quality of vision were assessed...
February 1, 2019: Journal of Refractive Surgery
Marjorie Montreuil, Joé T Martineau, Eric Racine
Patient engagement in healthcare is increasingly discussed in the literature, and initiatives engaging patients in quality improvement activities, organizational design, governance, and research are becoming more and more common and have even become mandatory for certain health institutions. Here we discuss a number of ethical challenges raised by this engagement from patients from the perspectives of research, organizational/quality improvement practices, and patient experiences, while offering preliminary recommendations as to how to address them...
February 11, 2019: Journal of Bioethical Inquiry
Anne W Snowdon, Alexandra Wright
This case study provides empirical evidence of the effect of implementing an integrated supply chain strategy province-wide to improve the safety, quality and performance of Alberta Health Services (AHS). AHS implemented a transformational supply chain strategy, enabled by GS1 standards, to achieve traceability of all products, equipment and patient safety events across the health system. Key features of the AHS strategy include strong vision and leadership, price harmonization, a provincial item master and integrated data infrastructure and a centralized warehouse and distribution strategy...
October 2018: Healthcare Quarterly
Irene Altemir-Gomez, Maria S Millan, Fidel Vega, Francisco Bartol-Puyal, Galadriel Gimenez-Calvo, Jose M Larrosa, Vicente Polo, Luis E Pablo, Elena Garcia-Martin
OBJECTIVE: To compare visual quality in patients implanted with Tecnis® monofocal (ZCB00) and multifocal (ZMB00) intraocular lenses taking into account their optical quality measured in vitro with an eye model. METHODS: In total, 122 patients participated in this study: 44 implanted with monofocal and 78 with multifocal intraocular lenses. Measurements of visual acuity and contrast sensitivity were performed. The optical quality of the intraocular lenses was evaluated in three image planes (distance, intermediate and near) using an eye model on a test bench...
February 10, 2019: European Journal of Ophthalmology
Amber Mehmood
Surgery and anaesthesia care is progressively making its way into the Global Public Health arena, which was d omi na ted by ma ter nal an d c hild h e al th an d communicable diseases in low-and middle-income countries (LMICs). Global Surgery (GS) could potentially make an impact on survival and quality of life in all age groups for a variety of disease conditions. After success in highlighting knowledge, policy and advocacy gaps, Global Surgery is transitioning from problem identification to designing and implementing solutions...
February 2019: JPMA. the Journal of the Pakistan Medical Association
Markus Braun, Sebastian Krebs, Fabian Flohr, Dariu Gavrila
Big data has had a great share in the success of deep learning in computer vision. Recent works suggest that there is significant further potential to increase object detection performance by utilizing even bigger datasets. In this paper, we introduce the EuroCity Persons dataset, which provides a large number of highly diverse, accurate and detailed annotations of pedestrians, cyclists and other riders in urban traffic scenes. The images for this dataset were collected on-board a moving vehicle in 31 cities of 12 European countries...
February 5, 2019: IEEE Transactions on Pattern Analysis and Machine Intelligence
Chyrisse Heine, Colette J Browning, Cathy Honge Gong
The number of older adults with vision and/or hearing loss is growing world-wide, including in China, whose population is aging rapidly. Sensory loss impacts on older people's ability to participate in their communities and their quality of life. This study investigates the prevalence of vision loss, hearing loss, and dual sensory loss (combined vision and hearing loss) in an older adult Chinese population and describes the relationships between these sensory losses and demographic factors, use of glasses and hearing aids, unmet needs, and impacts on social participation...
2019: Frontiers in Public Health
Maria Vinas, Clara Benedi-Garcia, Sara Aissati, Daniel Pascual, Vyas Akondi, Carlos Dorronsoro, Susana Marcos
Adaptive optics (AO) visual simulators based on deformable mirrors, spatial light modulators or optotunable lenses are increasingly used to simulate vision through different multifocal lens designs. However, the correspondence of this simulation with that obtained through real intraocular lenses (IOLs) tested on the same eyes has not been, to our knowledge, demonstrated. We compare through-focus (TF) optical and visual quality produced by real multifocal IOLs (M-IOLs) -bifocal refractive and trifocal diffractive- projected on the subiect's eye with those same designs simulated with a spatial light modulator (SLM) or an optotunable lens working in temporal multiplexing mode (SimVis technology)...
February 7, 2019: Scientific Reports
Carlos Dorronsoro, Xoana Barcala, Enrique Gambra, Vyas Akondi, Lucie Sawides, Yassine Marrakchi, Victor Rodriguez-Lopez, Clara Benedi-Garcia, Maria Vinas, Eduardo Lage, Susana Marcos
Tunable lenses are becoming ubiquitous, in applications including microscopy, optical coherence tomography, computer vision, quality control, and presbyopic corrections. Many applications require an accurate control of the optical power of the lens in response to a time-dependent input waveform. We present a fast focimeter (3.8 KHz) to characterize the dynamic response of tunable lenses, which was demonstrated on different lens models. We found that the temporal response is repetitive and linear, which allowed the development of a robust compensation strategy based on the optimization of the input wave, using a linear time-invariant model...
February 4, 2019: Optics Express
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