An Introduction to the Study of the Optical Defects of the Eye, and Their Treatment by the Scientific Use of Spectacles (Classic Reprint) - Tapa blanda
Sinopsis
Excerpt from An Introduction to the Study of the Optical Defects of the Eye, and Their Treatment by the Scientific Use of Spectacles
Strictly speaking, there Is no such thing In nature as parallel rays the nearest approach we have to it are the rays Of light we receive from the sun and the fixed stars. Practically, for our purpose how ever, we may consider rays of light parallel that are received by the pupil of the eye from objects that are twenty feet distant or any dis tance greater than that. Pencils of light from objects less than twenty feet distant are more decidedly divergent.
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This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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An Introduction to the Study of the Optical Defects of the Eye
Impresión bajo demandaLibrería: Forgotten Books, London, Reino Unido
Calificación del vendedor: 4 de 5 estrellas
Paperback. Condición: New. Print on Demand. This book explores the treatment of optical defects of the eye with a scientific use of spectacles. Starting with an introduction on the nature of light, the book then examines convex lenses and their use in the correction of long and short-sightedness. It highlights the importance of understanding the optical principles behind lens use, exploring topics such as the focal length of lenses, magnifying power, and the formation of inverted images. The book also discusses the use of concave lenses in the treatment of myopia and provides a comprehensive overview of hypermetropia, including its diagnosis and symptoms. The author draws on the work of experts in the field, presenting a well-rounded examination of the subject, making it an invaluable resource for those interested in the field of ophthalmic science. 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. Nº de ref. del artículo: 9780282913588_0
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An Introduction to the Study of the Optical Defects of the Eye, and Their Treatment by the Scientific Use of Spectacles (Classic Reprint)
Librería: PBShop.store US, Wood Dale, IL, Estados Unidos de America
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PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000. Nº de ref. del artículo: LW-9780282913588
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An Introduction to the Study of the Optical Defects of the Eye, and Their Treatment by the Scientific Use of Spectacles (Classic Reprint)
Librería: PBShop.store UK, Fairford, GLOS, Reino Unido
Calificación del vendedor: 5 de 5 estrellas
PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000. Nº de ref. del artículo: LW-9780282913588
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