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Corneal Sensitivity
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Book Synopsis Corneal Sensitivity by : Jörg Draeger
Download or read book Corneal Sensitivity written by Jörg Draeger and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 231 pages. Available in PDF, EPUB and Kindle. Book excerpt: We in ophthalmology are fortunate to be able to measure quantitatively many aspects of ocular morphology and visual function. These measurements are either objective (e. g. electroretinography, tonometry, electromyography, visually evoked responses, etc.) or subjective and psychophysical (e. g. visual acuity, visual fields, color vision, etc.). One aspect of corneal physiology and pathology which has so far escaped careful and reliable measurements is corneal sensitivity. Previous attempts have been rather crude and can be compared to measuring intraocular pressure by digital compression. Professor Draeger has for the last decade and a half directed his attention to the question of esthesiometry of the cornea. He has a gift for constructing and devising new ingenious ocular instruments. His handheld tonometer is a splendid example. He has now applied the principle of this instrument to the new electronic optical esthesiometer. In many publications he has reported on his first results using this modern technique to study corneal physiology and evaluate certain pathologic conditions. In this monograph Professor Draeger has collected all of his material and reports on his long experience. The usefulness of this instrument is just beginning to be appreciated. It is obvious that this new measuring device will help us in the fitting of contact lenses, evaluating herpes simplex infections of the cornea, follow the postoperative course of patients with a penetrating keratoplasty, etc.
Book Synopsis Corneal Sensitivity by : Jörg Draeger
Download or read book Corneal Sensitivity written by Jörg Draeger and published by Springer. This book was released on 1984-07-13 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: We in ophthalmology are fortunate to be able to measure quantitatively many aspects of ocular morphology and visual function. These measurements are either objective (e. g. electroretinography, tonometry, electromyography, visually evoked responses, etc.) or subjective and psychophysical (e. g. visual acuity, visual fields, color vision, etc.). One aspect of corneal physiology and pathology which has so far escaped careful and reliable measurements is corneal sensitivity. Previous attempts have been rather crude and can be compared to measuring intraocular pressure by digital compression. Professor Draeger has for the last decade and a half directed his attention to the question of esthesiometry of the cornea. He has a gift for constructing and devising new ingenious ocular instruments. His handheld tonometer is a splendid example. He has now applied the principle of this instrument to the new electronic optical esthesiometer. In many publications he has reported on his first results using this modern technique to study corneal physiology and evaluate certain pathologic conditions. In this monograph Professor Draeger has collected all of his material and reports on his long experience. The usefulness of this instrument is just beginning to be appreciated. It is obvious that this new measuring device will help us in the fitting of contact lenses, evaluating herpes simplex infections of the cornea, follow the postoperative course of patients with a penetrating keratoplasty, etc.
Book Synopsis Properties of Human Corneal Sensitivity by : Joseph Nazarian
Download or read book Properties of Human Corneal Sensitivity written by Joseph Nazarian and published by . This book was released on 1986 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of Corneal Sensitivity in Contact Lens Practice by : Arnold Copeland
Download or read book A Study of Corneal Sensitivity in Contact Lens Practice written by Arnold Copeland and published by . This book was released on 1964 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ocular Emergencies by : Robert A. Catalano
Download or read book Ocular Emergencies written by Robert A. Catalano and published by Saunders. This book was released on 1992 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discusses ocular and orbital disorders that appear as emergencies and provides a reference for practical hands-on management. The book aims to help physicians evaluate patients with traumatic/non-traumatic ophthalmologic disorders, and develop optimal therapeutic plans.
Book Synopsis Ocular Surface Disease: Cornea, Conjunctiva and Tear Film by : Edward J Holland
Download or read book Ocular Surface Disease: Cornea, Conjunctiva and Tear Film written by Edward J Holland and published by Elsevier Health Sciences. This book was released on 2013-05-17 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ocular Surface Disease: Cornea, Conjunctiva and Tear Film incorporates current research and the latest management strategies as well as classification systems and treatment paradigms for all forms of ocular surface disease. This is the first comprehensive resource that helps you to meet ocular surface disease challenges effectively using today's best medical and surgical approaches. Get the complete, evidence-based guidance you need to provide optimal care for your patients with ocular surface disease. Implement the latest drug treatments and surgical interventions to provide better outcomes with fewer complications. Hone and expand your surgical skills by watching videos of leading experts performing advanced procedures including ocular surface transplantation techniques; amniotic membrane transplantation; pterygium surgery; lamellar keratoplasty (DALK) in ocular surface disease; and keratoprosthesis surgery. Visualize how to proceed by reviewing detailed, full-color images and consulting new classification systems and treatment paradigms for mild to severe forms of ocular surface disease. Take it with you anywhere! Access the full text, downloadable image library, video clips, and more online at expertconsult.com.
Author :Working Group on Contact Lens Use Under Adverse Conditions Publisher :National Academies Press ISBN 13 : Total Pages :52 pages Book Rating :4./5 ( download)
Book Synopsis contact lens use under adverse conditions by : Working Group on Contact Lens Use Under Adverse Conditions
Download or read book contact lens use under adverse conditions written by Working Group on Contact Lens Use Under Adverse Conditions and published by National Academies Press. This book was released on 1990-01-01 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book DSEK written by Francis W. Price and published by SLACK Incorporated. This book was released on 2009 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: "DSEK: What You Need to Know About Endothelial Keratoplasty provides a comprehensive background of EK, where it is today, and where it is headed in the future. Francis W. Price, MD. who was the first to complete DSEK in the United States, along with Marianne Price, PhD, have designed this text to offer a special emphasis on how to perform surgeries along with preventing and managing complications. In addition, a diverse group of contributing authors provides a wide array of insights and tips for better patient outcomes."--BOOK JACKET.
Download or read book Mycotic Keratitis written by Mahendra Rai and published by CRC Press. This book was released on 2019-07-23 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mycotic keratitis, also known asfungal keratitis, is commonly defined as an inflammation of the cornea. Globally, mycotic keratitis is more common as compared to others eye disorders. Though it occurs in all parts of the world it is more prevalent in tropical and subtropical areas. Mycotic Keratitis emphasizes novel perspectives on mycotic keratitis treatments and addresses different therapies used in treatment. The book is designed to be immensely useful for the students and teachers of microbiology, medicine, mycology, ophthalmology, biotechnology and nanotechnology. Medical microbiology researchers in general and medical mycology in particular will find it a valuable user-friendly book.
Book Synopsis Contact Lenses in Ophthalmic Practice by : Mark J. Mannis
Download or read book Contact Lenses in Ophthalmic Practice written by Mark J. Mannis and published by Springer Science & Business Media. This book was released on 2006-05-11 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: Even with the advances in intraocular lens technology and the growing diversity of refractive surgery techniques, the role of contact lenses in ophthalmic practice has only increased. This is due in part to the great strides in materials, technology, expanding applications (both refractive and therapeutic) for contact lenses, and the clear recognition that contact lenses will always be an important tool for the ophthalmologist. With the fitting of contact lenses as a medical art, requiring a thorough understanding of anatomy, physiology and optics of the eye, this practice is formulaic only in part. The rest of contact lens practice requires sound medical judgment and decision- making that comes only with "hands-on" experience. The authors address this need by starting with a didactic approach that incorporates frequently-asked questions and straightforward answers so that the ophthalmology resident, intermediate contact lens practitioner, and optometrist will find this to be an indispensable resource.
Book Synopsis Pilot Study of Corneal Sensitivity and Its Association in Keratoconus by :
Download or read book Pilot Study of Corneal Sensitivity and Its Association in Keratoconus written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Corneal Graft Failure by : Ruth Porter
Download or read book Corneal Graft Failure written by Ruth Porter and published by John Wiley & Sons. This book was released on 2009-09-16 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Novartis Foundation Series is a popular collection of the proceedings from Novartis Foundation Symposia, in which groups of leading scientists from a range of topics across biology, chemistry and medicine assembled to present papers and discuss results. The Novartis Foundation, originally known as the Ciba Foundation, is well known to scientists and clinicians around the world.
Book Synopsis Sensitivity Across the Ocular Surface by : Ping Situ
Download or read book Sensitivity Across the Ocular Surface written by Ping Situ and published by . This book was released on 2010 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: Current understanding of sensitivity and sensation experienced across the ocular surface remains limited. This project explored the regional variation of corneal sensitivity and transducer function, interaction of sensory and autonomic nerves in the lacrimal functional unit, and the ocular surface sensitivity in Dry Eye and with silicone hydrogel (SH) lens wear. Experiments were undertaken, using Belmonte esthesiometer to deliver pneumatic mechanical, chemical and thermal stimuli and Cochet-Bonnet esthesiometer for tactile stimuli, to the cornea and conjunctiva. Psychophysical methods were used to determine the thresholds of stimulus detection, and the magnitude of sensations to suprathreshold stimulation was estimated assuming Steven's power law. Additionally, tear secretion in response to corneal sensory input was determined by tear meniscus height measured using Optical Coherence Tomography. Sensitivity to pneumatic cool and mechanical stimuli varied slightly across the cornea while chemical sensitivity was not different between regions. The transducer function was also similar between central and peripheral cornea but different between stimulus modalities. In comparison, the reflex tearing response to suprathreshold stimuli was greater with central corneal stimulation. Also, corneal and conjunctival hypersensitivity was found in the dry eye symptomatic group, and it appeared to be associated with symptom severity, tear film stability and corneal epitheliopathy. Refitting with SH lenses after an initial no-lens interval led to increased conjunctival pneumatic mechanical sensitivity, while corneal tactile sensitivity showed a decrease. In addition, corneal staining induced by certain lens-solution combination appeared to be accompanied by increased corneal and conjunctival sensitivity. In conclusion, the position-invariant corneal sensitivity to pneumatic mechanical, chemical and thermal stimuli suggests that the distribution of human corneal sensory fibres may be more homogeneous than previously hypothesised. The mechanisms mediating the sensory aspect of corneal nociception may be similar across the cornea, while, perhaps due to the importance of the visual axis, the tear reflex response to central and peripheral cornea seems to be driven by different neural circuitry, perhaps at the higher levels of the sensory processing pathway. It appears that alteration in sensory processing of the ocular surface occurs in Dry Eye and accompanies SH lens-solution-induced corneal staining. This altered sensitivity seems to be more prominent in the conjunctiva than in the cornea.
Book Synopsis Atlas of Primary Eyecare Procedures by : Linda Casser
Download or read book Atlas of Primary Eyecare Procedures written by Linda Casser and published by McGraw Hill Professional. This book was released on 1997 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt: This clearly illustrated atlas offers straightforward, step-by-step de scriptions of common eye procedures used regularly in primary eyecare.
Book Synopsis Management of Post-Facial Paralysis Synkinesis by : Babak Azizzadeh
Download or read book Management of Post-Facial Paralysis Synkinesis written by Babak Azizzadeh and published by Elsevier Health Sciences. This book was released on 2021-09-03 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: From the use of specialist facial therapy and concurrent chemodenervation to the surgical revolution of selective neurolysis, synkinesis management is rapidly evolving as better tools become available to diagnose, assess, and personalize care. Management of Post-Facial Paralysis Synkinesis is the first book to focus exclusively on this common consequence of facial paralysis, providing authoritative coverage of recent advances in assessment as well as non-surgical and surgical treatment. Drs. Babak Azizzadeh and Charles Nduka lead an author team of international, multidisciplinary experts who fully explore the causes, clinical presentations, and management of synkinesis. Provides objective assessment and grading of facial paralysis, as well as both surgical and non-surgical management of synkinesis. Discusses the new surgical approach to lower facial synkinesis developed by Dr Azizzadeh. Includes numerous videos that show the movement of the face and selected treatments, as well as a library of facial expressions for objective video assessment of facial paralysis. Features dozens of high-quality anatomical images, colored line drawings, photographs, and charts throughout. Provides focused coverage of this timely topic for otolaryngologists, plastic surgeons, neurosurgeons, and maxillofacial surgeons.
Book Synopsis A Study of the Effect of Contact Lenses on Corneal Sensitivity in Extended Wear Versus Normal Wear by : Kim M. Kron
Download or read book A Study of the Effect of Contact Lenses on Corneal Sensitivity in Extended Wear Versus Normal Wear written by Kim M. Kron and published by . This book was released on 1979 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Management of Complications in Refractive Surgery by : Jorge L. Alió y Sanz
Download or read book Management of Complications in Refractive Surgery written by Jorge L. Alió y Sanz and published by Springer Science & Business Media. This book was released on 2008-04-16 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: This illustrated guide is written by international opinion leaders with extensive experience in the practice of refractive surgery. It is the first book devoted to refractive complications (with practical hints and case reports on outcomes) to provide ophthalmic surgeons with the most adequate solutions for the most frequent problems. All complications are described and lavishly illustrated. The book provides ophthalmic surgeons with the most adequate solutions for the most frequent problems they face in their daily practice.
