Comparative Analysis Of Fotometer Vs Subjective Refraction Data In A Clinical Population
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Comparative Analysis Of Fotometer Vs Subjective Refraction Data In A Clinical Population
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Author : Darya Inozemtseva
language : en
Publisher:
Release Date : 2014
Comparative Analysis Of Fotometer Vs Subjective Refraction Data In A Clinical Population written by Darya Inozemtseva and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with Eye categories.
Uncorrected refractive errors (URE) such as hyperopia, myopia, astigmatism and presbyopia are the main causes of visual impairment in the world, affecting all ages, ethnicities, and both genders. We investigated the validity of an alternative refractive method that does not rely on electricity, extensive training or high cost to determine URE in areas of the world with limited eye care. The refractive error of 60 patients of monte Cristi (Dominican Republic) was measured using a portable Badal optometer (fotometer). The results were compared to the refractive errors measured by a standard optometric refraction by experienced optometrists using portable phoropters. The mean spherical equivalent and mean spheres values measured with the focometer were within 0.50D from those obtained in the standard refraction. The focometer values were less positive and reflected less prevalence of astigmatism than the standard refraction. The study indicates that the focometer is moderately useful in determining refractive errors in developing communities.
A Comparative Study Of The Relationship Of Four Clinical Subjective Refraction Methods With The Laser Subjective Refraction Method
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Author : Michael Hatfield
language : en
Publisher:
Release Date : 1966
A Comparative Study Of The Relationship Of Four Clinical Subjective Refraction Methods With The Laser Subjective Refraction Method written by Michael Hatfield and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Eye categories.
Diagnosis And Management Of Ocular Motility Disorders
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Author : Alec M. Ansons
language : en
Publisher: John Wiley & Sons
Release Date : 2014-01-28
Diagnosis And Management Of Ocular Motility Disorders written by Alec M. Ansons and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-28 with Health & Fitness categories.
This comprehensive, clinically-grounded textbook, now in its fourth edition, supports orthoptists and ophthalmologists in decision-making through the patient care process, from presentation to discharge. Written by authors with extensive experience in teaching and research, Diagnosis and Management of Ocular Motility Disorders offers a clear and practical overview of assessment and management principles and further explores the clinical features of specific disorders, from amblyopia and infantile strabismus to supranuclear and infranuclear disorders, as well as other miscellaneous disorders of ocular movement. A brand new chapter on congenital cranial dysinnervation disorders reflects recent advances in gene mapping and increased understanding of this condition, and a new appendix provides surgical dose tables for easy reference. Now in full colour throughout, with additional diagrams and photographs of surgical techniques, this remains the key reference text for orthoptic and ophthalmic professionals managing patients with eye movement disorders.
Handbook Of Color Psychology
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Author : Andrew J. Elliot
language : en
Publisher: Cambridge University Press
Release Date : 2018-04-26
Handbook Of Color Psychology written by Andrew J. Elliot and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-04-26 with Psychology categories.
We perceive color everywhere and on everything that we encounter in daily life. Color science has progressed to the point where a great deal is known about the mechanics, evolution, and development of color vision, but less is known about the relation between color vision and psychology. However, color psychology is now a burgeoning, exciting area and this Handbook provides comprehensive coverage of emerging theory and research. Top scholars in the field provide rigorous overviews of work on color categorization, color symbolism and association, color preference, reciprocal relations between color perception and psychological functioning, and variations and deficiencies in color perception. The Handbook of Color Psychology seeks to facilitate cross-fertilization among researchers, both within and across disciplines and areas of research, and is an essential resource for anyone interested in color psychology in both theoretical and applied areas of study.
The Glossary Of Prosthodontic Terms
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Author :
language : en
Publisher:
Release Date : 1994
The Glossary Of Prosthodontic Terms written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Prosthodontics categories.
Low Vision
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Author : G.C. Woo
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Low Vision written by G.C. Woo and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Medical categories.
An International Symposium on Low Vision was sponsored by the Centre for Sight Enhancement of the School of Optometry, University of Waterloo in June 1986, bringing low vision researchers and clinicians together from a number of countries. The unique feature of the conference is the multi-disciplinary approach towards low vision care. A total of 44 papers were presented in the three day period by speakers of note from the fields of optometry, ophthalmology, psychophysics, special education, nursing and vision rehabilitation. The papers deal with issues in diagnostic science, low vision assessment and rehabilitation. The proceedings volume is ideal for clinicians and vision scientists to update their understanding of low vision research and clinical practice.
Liquid Crystals In Biotribology
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Author : Sergey Ermakov
language : en
Publisher: Springer
Release Date : 2015-07-11
Liquid Crystals In Biotribology written by Sergey Ermakov and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-07-11 with Science categories.
This book summarizes the theoretical and experimental studies confirming the concept of the liquid-crystalline nature of boundary lubrication in synovial joints. It is shown that cholesteric liquid crystals in the synovial liquid play a significant role in the mechanism of intra-articular friction reduction. The results of structural, rheological and tribological research of the creation of artificial synovial liquids containing cholesteric liquid crystals in natural synovial liquids are described. These liquid crystals reproduce the lubrication properties of natural synovia and provide a high chondroprotective efficiency. They were tested in osteoarthritis models and in clinical practice.
Iol Power
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Author : Kenneth Hoffer
language : en
Publisher: CRC Press
Release Date : 2024-06-01
Iol Power written by Kenneth Hoffer and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-06-01 with Medical categories.
IOL Power by Kenneth J. Hoffer, MD will be the definitive resource worldwide for ophthalmologists who strive to increase the accuracy for all IOL calculations,especially for multifocal IOLs and overcoming the challenges that arise when treating patients that have had laser refractive surgery, such as RK, PRK, LASIK, and LASEK. Inside the pages of IOL Power, Dr. Hoffer is joined by some of the most respected international physicians and physicists in the field of IOL power such as Aramberri, Haigis, Norrby, Olsen and Shammas. Together their expertise, spanning over 35 years, makes even the most difficult subjects easy to understand. This volume will become the definitive reference source on the subject of IOL power calculation. Some topics include: Ultrasound velocities for axial length measurement Optical AL (IOLMaster and Lenstar) in difficult eyes Manual and automatic keratometry and instrumentation Topography & Scheimpflug camera corneal power Value of theoretic formulas Formula personalization Multifocal and toric IOLs Aspheric IOLs Effect of IOL tilt on astigmatism Chapters Cover: All aspects of obtaining the most accurate biometry Available modern calculation formulas Latest instruments Problems that can arise, how to prevent and repair them IOL Power by Kenneth J. Hoffer, MD is structured in a logical manner so as to cover every facet of IOL power from the basics to the most complicated subjects to achieve the most accurate and precise calculations and should be in the hands of all ophthalmic surgeons, technicians, residents and students.
Production Wine Analysis
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Author : Bruce W. Zoecklein
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Production Wine Analysis written by Bruce W. Zoecklein and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
This text is designed to acquaint the reader with the commonly used procedures of juice and wine analysis as they are generally practiced in the industry, and as they are taught in the Department of Enology at California State University, Fresno. It is assumed that the reader has a basic preparation in the fields of chemistry and microbiology. In developing material for this text, the authors have emphasized analyses as they would be carried out in a production laboratory. Realizing that different laboratories have different analytical capabilities, personnel as well as equip ment, we have in many instances provided several different approaches to the same analysis. Throughout this book we have attempted to give special attention to practical considerations and the importance of these analyses in the total spectrum of winery operations. We hope the book's format will satisfy the inter ests oflaboratory personnel as well as winemakers. The process of making wine involves a series of concerns for the winemaker and staff of a winery. The first concerns are viticultural. Upon arrival of the fruit, its quality is assessed, grapes are processed and fermentation is begun. Almost immediately, and in many instances simultaneously, chemical and microbiological stability of the young and/or aging wine become important. Finally, problems do occur on occasion, and a number of what may be consid ered remedial techniques can be employed to produce an acceptable product.
Laron Syndrome From Man To Mouse
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Author : Zvi Laron
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-11-25
Laron Syndrome From Man To Mouse written by Zvi Laron and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-11-25 with Medical categories.
Laron syndrome (LS), or primary growth hormone (GH) insensitivity, was first described in 1966. Since then, many patients worldwide have been diagnosed with LS, which involves defects in the GH receptor that cause combined congenital deficiency of GH and IGF-I activities. In this comprehensive book the authors draw upon 50 years of multidisciplinary clinical and investigative follow-up of the large Israeli cohort of LS patients. The genetic basis of the syndrome is fully considered, and all aspects of the pathophysiology of IGF-I deficiency are described. Data derived from the recently generated mouse model of LS are reviewed and compared with the human LS experience. Valuable advice is provided on treatment, and treatment effects, such as metabolic effects, adipose tissue alterations, and impact on aging, are fully explored. Together, this book condenses, consolidates, compares, and contrasts data derived from the human and mouse LS experiences and provides a unique resource for clinical and basic scientists to evaluate and compare IGF-I and GH actions.