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 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 astigmatismChapters Cover: · All aspects of obtaining the most accurate biometry· Available modern calculation formulas· Latest instruments · Problems that can arise, how to prevent and repair themIOL 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. 

 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 astigmatismChapters Cover: · All aspects of obtaining the most accurate biometry· Available modern calculation formulas· Latest instruments · Problems that can arise, how to prevent and repair themIOL 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. 

A-Scan Axial Eye Length Measurements: A Handbook For IOL Calculations

With the Samyang Lens Station for Canon EF, model IOLS-C, you can effortlessly maintain and enhance the performance of your Samyang AF Canon EF Mount lenses. This durable and compact device is the perfect companion for photographers who demand precision and customization. It connects seamlessly to your computer via USB, enabling you to update firmware, fine-tune focus parameters, and adjust aperture settings with ease.Crafted with a stylish design, this user-friendly lens station is an essential tool for both amateur and professional photographers. Its high-quality construction ensures longevity and reliability, making it a smart investment for anyone invested in the Canon EOS ecosystem. The Lens Station's compatibility with a wide range of Canon EOS cameras and its ability to accommodate various EF mount lens types positions it as a versatile choice for those looking to optimize their lens performance.Whether you're looking to achieve pinpoint accuracy in your focus or tailor your lenses to suit your unique shooting style, the Samyang Lens Station for Canon EF is engineered to elevate your photography experience. Its intuitive interface simplifies the calibration process, allowing you to spend more time capturing stunning images and less time on maintenance. Choose the Samyang Lens Station for a refined, high-quality solution to keeping your lenses up-to-date and performing at their best.

The selection of appropriate formulas and surgical techniques is vitally important to best fulfill each patient's visual needs and expectations. With over 30 years of experience, H. John Shammas, MD clearly explains the importance of intraocular lens (IOL) power calculations during preoperative cataract evaluation and their role in positively improving surgical outcomes. Intraocular Lens Power Calculations addresses both currently used and the latest, more advanced formulas. To fully understand the application of these formulas in various situations, thorough explanations are provided. Numerous highlighted clinical applications, case reports, figures, and tables are also utilized to illustrate and reinforce key points. This well-organized text contains the most up-to-date information on axial length measurement, biometry units, constants, and ways to avoid errors. IOL power calculations and selection are included for an array of conditions ranging from the normal phakic eye to the more challenging high myopic and high hyperopic eyes, piggyback implantation, intumescent cataract, and the aphakic eye. Intraocular Lens Power Calculations updates surgeons, technicians, and students on all the techniques and formulas available to achieve the most accurate and precise calculations, thus paving the way for surgical results that fulfill patients' visual needs.Topics Include: New formulas including Holladay, Olsen, and Haigis IOL power calculations after corneal refractive surgery Calculating for emmetropia and iseikonia High precision A-scan biometry B-mode guided biometry Optical coherence biometry Selecting the proper IOL power

The selection of appropriate formulas and surgical techniques is vitally important to best fulfill each patient's visual needs and expectations. With over 30 years of experience, H. John Shammas, MD clearly explains the importance of intraocular lens (IOL) power calculations during preoperative cataract evaluation and their role in positively improving surgical outcomes. Intraocular Lens Power Calculations addresses both currently used and the latest, more advanced formulas. To fully understand the application of these formulas in various situations, thorough explanations are provided. Numerous highlighted clinical applications, case reports, figures, and tables are also utilized to illustrate and reinforce key points. This well-organized text contains the most up-to-date information on axial length measurement, biometry units, constants, and ways to avoid errors. IOL power calculations and selection are included for an array of conditions ranging from the normal phakic eye to the more challenging high myopic and high hyperopic eyes, piggyback implantation, intumescent cataract, and the aphakic eye. Intraocular Lens Power Calculations updates surgeons, technicians, and students on all the techniques and formulas available to achieve the most accurate and precise calculations, thus paving the way for surgical results that fulfill patients' visual needs.Topics Include: New formulas including Holladay, Olsen, and Haigis IOL power calculations after corneal refractive surgery Calculating for emmetropia and iseikonia High precision A-scan biometry B-mode guided biometry Optical coherence biometry Selecting the proper IOL power

Introducing, the Complete Illustrated, Premier Atlas of Modern Ophthalmology. Without question, the most beautiful book in Eye Care ever to be released. Over 600 Full-Color, Large Full Page illustrations covering Normal Eye, Cataracts/IOL's, Glaucoma, Vitreous/Retina/RD/AMD/DR/PVR, Refractive Errors, all Refractive Surgeries, Cornea, Extraocular Conditions, complete Anatomy of the Eye and Orbit. Didactic compilation of the best Clinical and Surgical Eye Artworks of World-Renowned Ophthalmic Artist Stephen F. Gordon - over 35 Years of Eye Care History, Breakthroughs, and Innovations to date. Color-Tabbed for Quick Reference. Perfect for Exam Room consultations, Medical Schools/Libraries, Patient Education, Staff Education/Training, surgical planning reference, Optical Dispensary, Home, Office, Conference, Waiting and Dilating Rooms. Ultimate gift for colleagues, staff, all eye care professionals, or anyone with an interest in the Human Eye. Also available in Large Print.

Introducing, the Complete Illustrated, Premier Atlas of Modern Ophthalmology. Without question, the most beautiful book in Eye Care ever to be released. Over 600 Full-Color, Large Full Page illustrations covering Normal Eye, Cataracts/IOL's, Glaucoma, Vitreous/Retina/RD/AMD/DR/PVR, Refractive Errors, all Refractive Surgeries, Cornea, Extraocular Conditions, complete Anatomy of the Eye and Orbit. Didactic compilation of the best Clinical and Surgical Eye Artworks of World-Renowned Ophthalmic Artist Stephen F. Gordon - over 35 Years of Eye Care History, Breakthroughs, and Innovations to date. Color-Tabbed for Quick Reference. Perfect for Exam Room consultations, Medical Schools/Libraries, Patient Education, Staff Education/Training, surgical planning reference, Optical Dispensary, Home, Office, Conference, Waiting and Dilating Rooms. Ultimate gift for colleagues, staff, all eye care professionals, or anyone with an interest in the Human Eye. Also available in Large Print.