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The Principles of Refraction: In the Human Eye Based on the Laws of Conjugate Foci (Classic Reprint) - Softcover
Synopsis
Explore the fundamentals of how the eye bends light and forms clear images.
This concise, elementary treatise explains the laws of conjugate foci and their power to illuminate the optical workings of the human eye, with practical applications for examination methods like skiascopy and ophthalmoscopy.
The book introduces the essential functions of optical systems, then applies these ideas specifically to the eye. It uses original diagrams to show how object and image positions relate, and how changes in eye optics alter focus. Readers will gain a clearer view of how accommodation, astigmatism, and visual testing fit into a unified framework.- Learn the core concepts of conjugate foci and principal foci in refracting systems
- See how these ideas apply to the human eye and common eye examinations
- Follow step-by-step relationships between object location, image formation, and eye testing outcomes
- Review practical formulae that connect distances, focal points, and refractive conditions
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The Principles of Refraction (Classic Reprint)
Print on DemandSeller: Forgotten Books, London, United Kingdom
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Paperback. Condition: New. Print on Demand. This book defines and explains the laws of conjugate foci as they relate to the human eye, and how these principles provide the basis for understanding refraction. The author explores the different optical systems in the eye and their functions and introduces the principal plane, including the principal focus and conjugate foci. The laws of conjugate foci are illustrated through the movements of an object emitting rays, beginning at infinity on the left and going to infinity on the right, exploring different positions of the object and the resulting movements of the conjugate focus. The author also applies these laws to the human eye, explaining the conditions of emmetropia, myopia, and hypermetropia, and additional chapters are dedicated to the conjugate focus in accommodation, ophthalmoscopy, and skiascopy. By examining the conjugate foci formed by the eye's optical systems, this book provides a comprehensive understanding of the principles of refraction. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Seller Inventory # 9781332064489_0
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The Principles of Refraction In the Human Eye Based on the Laws of Conjugate Foci Classic Reprint
Seller: PBShop.store US, Wood Dale, IL, U.S.A.
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9781332064489
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The Principles of Refraction In the Human Eye Based on the Laws of Conjugate Foci Classic Reprint
Seller: PBShop.store UK, Fairford, GLOS, United Kingdom
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9781332064489
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