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Author: A. K. Khurana Publisher: Elsevier Health Sciences ISBN: 813126372X Category : Medical Languages : en Pages : 573
Book Description
Theory and Practice of Optics and Refraction, in its fifth edition, continues to be a part of Modern System of Ophthalmology (MSO) Series. Without altering the basic text and layout, each chapter has been thoroughly revised to keep abreast with the newer concepts and principles of optics and refraction involved in investigative as well as therapeutic optical modalities evolved over the period of time. • Provides information on basic principles of Optics, Refraction and Optical Instruments to Ophthalmology residents and students of Optometry as well as Orthoptics • Text is organized in an attractive four-colour format to make the understanding, retention and reproducibility of facts easy • Includes newer concepts in Refractive Surgery like Topoguided LASIK, Contoura Vision Technology, All Femtosecond Laser Surgery, ReLEx and Corneal Inlay for Presbyopia including Presbyopic Allogenic Refractive Lenticule (PEARL) • Recently available Phakic and near vision enabling Intra Ocular Lenses have been added • Future Refractive Surgeries such as LIRIC, RELIMP and LIKE have been added • Incorporates advances in Aberrometry, Wavefront Technology, Anterior Segment Optical Coherence Tomography (AS-OCT), Enhanced Depth OCT, Confocal Microscopy of Cornea and anterior segment Ultrasound Bio Microscopy (UBM) • Digital Eye Strain and Role of Smartphones in Ophthalmology have been discussed in detail • Chapter on Clinical Refraction has been refurbished effectively and text on Corneal Topography expanded with essential newer developments
Author: A. K. Khurana Publisher: Elsevier Health Sciences ISBN: 813126372X Category : Medical Languages : en Pages : 573
Book Description
Theory and Practice of Optics and Refraction, in its fifth edition, continues to be a part of Modern System of Ophthalmology (MSO) Series. Without altering the basic text and layout, each chapter has been thoroughly revised to keep abreast with the newer concepts and principles of optics and refraction involved in investigative as well as therapeutic optical modalities evolved over the period of time. • Provides information on basic principles of Optics, Refraction and Optical Instruments to Ophthalmology residents and students of Optometry as well as Orthoptics • Text is organized in an attractive four-colour format to make the understanding, retention and reproducibility of facts easy • Includes newer concepts in Refractive Surgery like Topoguided LASIK, Contoura Vision Technology, All Femtosecond Laser Surgery, ReLEx and Corneal Inlay for Presbyopia including Presbyopic Allogenic Refractive Lenticule (PEARL) • Recently available Phakic and near vision enabling Intra Ocular Lenses have been added • Future Refractive Surgeries such as LIRIC, RELIMP and LIKE have been added • Incorporates advances in Aberrometry, Wavefront Technology, Anterior Segment Optical Coherence Tomography (AS-OCT), Enhanced Depth OCT, Confocal Microscopy of Cornea and anterior segment Ultrasound Bio Microscopy (UBM) • Digital Eye Strain and Role of Smartphones in Ophthalmology have been discussed in detail • Chapter on Clinical Refraction has been refurbished effectively and text on Corneal Topography expanded with essential newer developments
Author: Andrew R. Elkington Publisher: Wiley-Blackwell ISBN: 9780632049899 Category : Medical Languages : en Pages : 276
Book Description
Written to help trainee ophthalmologists, this textbook is now the recognised text on optics for the examinations of the Royal College of Ophthalmologists and the Royal Surgical Colleges. It approaches the subject from first principles and assumes no previous knowledge of optics. The book has been kept as simple as possible and is liberally complemented with diagrams designed to be easily understood and memorised. Only the most fundamental and clinically useful mathematical formulae are quoted, and the optical principles are applied to clinical situations. Ophthalmology examinations have changed substantially since the last edition was written and a total rewrite of this essential guide has become necessary. The third edition has been made more comprehensive and detailed to keep up with these changes and incorporates three new chapters: refractive surgery, contact lenses and lasers. Other new material includes photometry, visual acuity, contrast sensitivity, colour vision, absorptive lenses, fluorescence, ultrasound, and the specular microscope.
Author: Erich Merchand Publisher: Elsevier ISBN: 0323160662 Category : Technology & Engineering Languages : en Pages : 177
Book Description
Gradient Index Optics deals with the application of gradients in optical systems of classical types: gradient index lenses. The emphasis is on the theory and practice related to gradient index lenses. Only isotropic media are considered since they are the ones for which the refractive index at each point is independent of direction. Comprised of 12 chapters, this book begins with a historical background on the use of gradients in astronomy and developments in gradient index lenses, along with the underlying basic theory. The discussion then turns to spherical gradients, paying particular attention to rays, Maxwell's fisheye lens, the Luneburg lens, and astronomical refraction. Subsequent chapters focus on the ray trace in a spherical gradient; axial gradients and their use as an anti-reflection coating; radial gradients and ray tracing in a radial gradient; and fundamentals of aberration theory. The wood lens and ray trace in a general medium are also considered, together with methods for fabrication of gradient elements and measurement of index gradients using an approximate method and interferometric methods. This monograph will be of interest to physicists.
Author: David Abrams Publisher: ISBN: Category : Medical Languages : en Pages : 324
Book Description
Presents the theory and practice of the correction of defects in the optical system of the eyes and their associated muscles. Includes coverage of contact lenses, methods of objective testing, lens implantation after cataract surgery, and contrast sensitivity testing for visual acuity.
Author: David G. Hunter Publisher: CRC Press ISBN: 1040140424 Category : Medical Languages : en Pages : 141
Book Description
The popular optics review manual, Last-Minute Optics: A Concise Review of Optics, Refraction, and Contact Lenses, has been revised and updated into a Second Edition. This unique resource boils down the overwhelming subject matter of clinical optics and refraction, helping the ophthalmologist cover the essentials in a single review manual. The content is based upon the practical experience of two clinically active experts who lecture on ophthalmic optics around the world. This updated Second Edition by Drs. David G. Hunter and Constance E. West includes new questions added to selected chapters and a new chapter covering refractive surgery, as well as a key chapter that helps you evaluate patients with symptoms related directly to optical or refractive concerns. The complex concepts of optics are revealed in easy-to-understand explanations enhanced by simple illustrations. Last-Minute Optics, Second Edition allows you to test your knowledge while increasing your understanding of optics. Designed in a clear, concise, question-and-answer format, this book allows for self-assessment and a chance to test your understanding before you read the answer. Features of the Second Edition: • Written in a light and approachable style to make optics accessible and understandable • Unique question-and-answer format allows for self-assessment while studying to identify areas where more work is needed • Perfect for limited study time • Includes real-life examples that are clinically relevant • Numerous practical tips to help enhance clinical practice • Includes 223 questions and answers Whether you’re an ophthalmologist, ophthalmic technician, resident or student, reviewing the optics facts and concepts is easier with Last-Minute Optics: A Concise Review of Optics, Refraction, and Contact Lenses, Second Edition.
Author: Fokko Jan Dijksterhuis Publisher: Springer Science & Business Media ISBN: 1402026986 Category : Science Languages : en Pages : 294
Book Description
In 1690, Christiaan Huygens (1629-1695) published Traité de la Lumière, containing his renowned wave theory of light. It is considered a landmark in seventeenth-century science, for the way Huygens mathematized the corpuscular nature of light and his probabilistic conception of natural knowledge. This book discusses the development of Huygens' wave theory, reconstructing the winding road that eventually led to Traité de la Lumière. For the first time, the full range of manuscript sources is taken into account. In addition, the development of Huygens' thinking on the nature of light is put in the context of his optics as a whole, which was dominated by his lifelong pursuit of theoretical and practical dioptrics. In so doing, this book offers the first account of the development of Huygens' mathematical analysis of lenses and telescopes and its significance for the origin of the wave theory of light. As Huygens applied his mathematical proficiency to practical issues pertaining to telescopes – including trying to design a perfect telescope by means of mathematical theory – his dioptrics is significant for our understanding of seventeenth-century relations between theory and practice. With this full account of Huygens' optics, this book sheds new light on the history of seventeenth-century optics and the rise of the new mathematical sciences, as well as Huygens' oeuvre as a whole. Students of the history of optics, of early mathematical physics, and the Scientific Revolution, will find this book enlightening.
Author: A. K. Khurana
Author: A. K. Khurana
Author: Aruj K. Khurana
Author: Dr. A. K. Khurana
Author: Khurana
Author: Michael Ware
Author: Andrew R. Elkington
Author: Erich Merchand
Author: David Abrams
Author: David G. Hunter
Author: Fokko Jan Dijksterhuis