Updated to include new material for beginners in ophthalmology and optometry," Ocular Anatomy and Physiology, Second Edition "is an essential text that covers a range of fundamental information for students and clinicians.
With collaborations from Al Lens, Sheila Coyne Nemeth, and Janice K. Ledford, "Ocular Anatomy and Physiology, Second Edition "now begins with a jump-start chapter to overview the topic for those new to the field of eye care. Chapter two delves into embryology--a topic rarely covered--and addresses each structure of the eye, including the bony orbit, eyebrows, eye lids, lacrimal system, extraocular muscles, and the globe.
While the text continues to emphasize normal anatomy, each chapter contains a glossary of common disorders. Also included is a description of diagnostic methods for examining various tissues. The physiology of various structures and systems is explained, including the visual pathway, the inflammatory response, immunology, binocular vision, refractive errors, and accommodation. To enhance the reader's understanding of each topic, illustrations are provided.
Features of the Second Edition:
- New jump-start chapter for beginners
- Details on diagnostic methods for each structure or segment, including optical coherence tomography and retinal thickness analysis
- Glossary of common disorders at the end of each chapter
With new features and information, "Ocular Anatomy and Physiology, Second Edition" is a valuable text for ophthalmic and optometric assistants, training facilities, and practices, as well as beginners in the field of eye care, including sales representatives and pre-med students.

"Optics, Retinoscopy, and Refractometry, Second Edition" is a valuable and up-to-date reference that allows the reader to better understand and measure the patient's refractive error. Information is presented on each of the three important topics in an easy-to-read format.
Al Lens, COMT begins "Optics, Retinoscopy, and Refractometry" with a focus on the basics of optics, providing the foundation for understanding retinoscopy. The detailed instructions and practical exercises help the beginning technician become proficient at the valuable skill of retinoscopy. This comprehensive resource concludes with a simplified approach to refractometry, including a section on refractive surgery from an optics perspective.
New to this edition:
A section on refractive surgery from an optical point of view.
Discussion on wavefront technology.
Updated text and diagrams.
Features:
Study icons throughout the text.
Appendices containing data on the metric system, units of measurement, metric conversions, and abbreviations.
Refractometry exercises.

Whether you are a beginning technician looking for a basic overview or an experienced examiner in search of a clear-cut review, "Optics, Retinoscopy, and Refractometry, Second Edition" will suit all your optics needs.

Time is an incredibly valuable resource for ophthalmic and para-optometric personnel, whether they are still studying on their way to certification or they are already in the trenches in daily practice. To keep up, they need a single, cohesive text containing everything they need to learn. Principles and Practice in Ophthalmic Assisting: A Comprehensive Textbook meets that need, covering all subject areas in detail while also maintaining a readable, user-friendly style. Editors Janice K. Ledford and Al Lens have gathered a prestigious team of over 40 contributors, all of them ophthalmic and optometric medical personnel, who actively perform the tasks they write about. Their time-tested expertise is like having a group of specialists right by your side to show how it's done and answer questions. From A-scan to zygoma, Principles and Practice in Ophthalmic Assisting: A Comprehensive Textbook includes everything ophthalmic and para-optometric personnel need to know to effectively perform their duties, assist their patients, and advance their careers. Each chapter is written in a friendly manner and follows an established framework, making it easy to digest any new information or as a quick reference to the material needed. Chapters also include valuable "tricks of the trade" that could only come from authors with intimate knowledge of their topics. Topics covered: General ophthalmic knowledge Ophthalmic skills Optical skills Ophthalmic medical sciences Surgical services and skills Administrative skills Whether perfecting current skills, learning new ones, or studying for exams, Principles and Practice in Ophthalmic Assisting: A Comprehensive Textbook makes both a perfect learning tool for students and a complete reference tool for staff, whether they are new to the eye care industry or have years of experience.