Why Do We Wear Spectacles?: Read Before the Medical Society of the State of California, at the Annual Session Held at Sacramento, October, 1871 (Classic Reprint) - Softcover

Name: Why Do We Wear Spectacles?: Read Before the Medical Society of the State of California, at the Annual Session Held at Sacramento, October, 1871 (Classic Reprint)
Author: Edward M. Curtis
ISBN: 9780265679746

Edward M. Curtis

9780265679746: Why Do We Wear Spectacles?: Read Before the Medical Society of the State of California, at the Annual Session Held at Sacramento, October, 1871 (Classic Reprint)

Softcover

ISBN 10: 0265679745 ISBN 13: 9780265679746

Publisher: Forgotten Books, 2018

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This book delves into the world of ophthalmology, guiding readers through the remarkable journey of vision correction and the intricate function of the human eye. The author, an esteemed medical professional, unveils the groundbreaking discovery of the ophthalmoscope, a tool that revolutionized our understanding of eye mechanics and paved the way for the development of spectacles. Exploring the science behind different visual impairments, the book explains how advancements in optics, such as the invention of the dioptics of the human eye and the phacoidoscope, have enabled experts to comprehend the intricate relationship between the cornea, aqueous humor, crystalline lens, vitreous humor, and retina. The text illustrates how the eye, akin to a camera obscura, projects clear images onto the retina, with the optic nerve serving as a communication link to the brain, facilitating visual perception. The book further highlights the concept of presbyopia, a condition associated with the hardening of the crystalline lens, and discusses how convex glasses can compensate for this natural age-related change. It also examines hypermetropia, a condition characterized by a shorter than normal eyeball, and myopia, caused by an excessively long eyeball, explaining how appropriate glasses can correct these refractive errors. Moreover, the book delves into astigmatism, a condition resulting from an irregular curvature of the cornea, and discusses cylindrical lenses as a means of correction. It explores the use of spectacles for various other eye concerns, including aphakia, paralysis of accommodation muscles, and strabismus. The significance of protective eyewear is also emphasized, with the author recommending neutral tinted glasses for photophobia and alkali plains, and eye protectors or mica plates for certain occupations. In conclusion, this book offers a comprehensive understanding of the science of vision correction and the remarkable role of spectacles in aiding our vision. It dispels common misconceptions and encourages proper eye care practices, highlighting the importance of seeking professional guidance and embracing the benefits of spectacles when necessary.

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