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Hanyi Min - Stereo Atlas of Vitreoretinal Diseases

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Hanyi Min Stereo Atlas of Vitreoretinal Diseases
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Editor Hanyi Min Stereo Atlas of Vitreoretinal Diseases - photo 1
Editor
Hanyi Min
Stereo Atlas of Vitreoretinal Diseases
Editor Hanyi Min Department of Ophthalmology Peking Union Medical College - photo 2Editor Hanyi Min Department of Ophthalmology Peking Union Medical College - photo 3
Editor
Hanyi Min
Department of Ophthalmology Peking Union Medical College Hospital, China Academy of Chinese Medical Science, Beijing, Beijing, China
ISBN 978-981-13-8398-4 e-ISBN 978-981-13-8399-1
https://doi.org/10.1007/978-981-13-8399-1

Jointly published with Peoples Medical Publishing House, PR of China

The print edition is not for sale in China Mainland. Customers from China Mainland please order the print book from:

Peoples Medical Publishing House.

Springer Nature Singapore Pte Ltd. and People's Medical Publishing House, PR of China 2020
This work is subject to copyright. All rights are reserved by the Publishers, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed.
The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use.
The publishers, the authors, and the editors are safe to assume that the advice and information in this book are believed to be true and accurate at the date of publication. Neither the publishers nor the authors or the editors give a warranty, express or implied, with respect to the material contained herein or for any errors or omissions that may have been made. The publishers remain neutral with regard to jurisdictional claims in published maps and institutional affiliations.

This Springer imprint is published by the registered company Springer Nature Singapore Pte Ltd.

The registered company address is: 152 Beach Road, #21-01/04 Gateway East, Singapore 189721, Singapore

Preface

When I was a junior resident, I was so confused by the retinal layers of different lesions described by the senior doctors, such as the bleeding at the retinal nerve fiber layer, exudates near the outer nuclear layer, and tumor derived from the choroid. Had they got X-ray vision that can penetrate or even dissect the retina nakedly? I had been doubted for my qualification as an ophthalmologist for so long!

Finally, I took courage to confirm that my stereovision was normal and even superior by standard stereo examination, and yet, I still perceived the retina as a single plane! The contour, shape, and color of the lesion are certainly easy to determine. As for the optic edema, I can only clarify the diopter by adjusting the turntable of the direct ophthalmoscope and comparing with the macular. But how can human eyes distinguish the different retinal layers? They only exist in the books and biopsy slides!

It was not until I started to learn the retina subspecialty that this problem was finally solved with full confidence of ophthalmologist. With the help of double +10D or +5D lens, the stereo pair taken by different shooting angles looked so vivid. I was even tempted to touch and squeeze the lesions, just like in the 3D movies! Once the self-doubt was swept away, I regained the dream to become a vitreoretinal specialist.

Then, I learned to use the slit lamp ophthalmoscope (+90D, +78D), the indirect ophthalmoscope (+20D), the stereo fundus photography (SFP), and the optical coherence topography (enhanced depth imaging technique). All these techniques were aimed to penetrate the retina, choroid, pigment epithelium, and even sclera.

Although the technology of deciphering retinal diseases is constantly advancing, the SFP is still indispensable, which not only can reveal the retina stereoscopically and comprehensively but also has been the gold standard for certain diseases, such as glaucoma and retinal angiomatous proliferation (RAP). Meanwhile, the equipment demands for SFP are not so expensive and can be easily promoted in the grassroots hospitals. In this book, we carefully collected and organized more than 300 stereo color fundus images and angiography pictures of various vitreoretinal diseases for colleges to recognized the three-dimensional features at first glance, such as retinal bleeding at different layers, optic disc change of glaucoma, macular diseases, tumors, RAP, and polypoidal choroidal vasculopathy (PCV). All these will interest you in vitreoretinal diseases.

As the saying goes, no man is his crafts master the first day! I sincerely hope this book will clear up the uncertainties of stereo fundus for all the readers and become a stepping stone to learn vitreoretinal diseases for ophthalmologists!

Hanyi Min
Beijing, China
2018/7/28
Contents
Hanyi Min , Di Chen and Bo Wan
Gensheng Wang , Peipei Xie , Jiayu Wang and Hanyi Min
Hanyi Min , Hong Du and Ziyang Liu
Qinying Ye , Chengxi Zhang , Fei Gao and Hanyi Min
Gangwei Cheng , Zhikun Yang , Rongpin Dai and Hanyi Min
Donghui Li , Hanyi Min and Weihong Yu
Hanyi Min , Erqian Wang and Huan Chen
Springer Nature Singapore Pte Ltd. and People's Medical Publishing House, PR of China 2020
H. Min (ed.) Stereo Atlas of Vitreoretinal Diseases https://doi.org/10.1007/978-981-13-8399-1_1
1. Basic Principles of Stereo Fundus Photography
Hanyi Min
(1)
Department of Ophthalmology, Peking Union Medical College Hospital and Chinese Academy of Medical Science, Beijing, P.R. China
(2)
Department of Ophthalmology, Tongxian Luhe Hospital, Beijing, P.R. China
Hanyi Min
Email:
1.1 Brief History of Stereo Imaging []
As early as in sixteenth century, filter lens had been used to draw a certain difference in the color of the image for the eyes to produce stereovision. Wheatstone invented the reflecting mirror stereoscope (Fig. ) was developed by Brewster, who put two +5D lenses in front of left and right pictures and made these two lenses outwardly eccentric to produce prism effect separately for both eyes. This method can be taken under different vergence distances and the distance between the lens and the pictures can be adjusted to match the accommodation needs.
Fig 11 Reflecting mirror stereoscope invented by Wheatstone Fig 12 - photo 4
Fig. 1.1

Reflecting mirror stereoscope invented by Wheatstone

Fig 12 Refraction stereoscope invented by Brewster Early 3D movies came out - photo 5
Fig. 1.2

Refraction stereoscope invented by Brewster

Early 3D movies came out at the end of the nineteenth century. With the emergence of filming, scientists used two cameras to simulate human eyes and projected the film through polarized filters, while the audience watched the movie wearing polarized glasses. Stereoscopic glasses first appeared in the Hollywood movies on May 24, 1953, which marks the beginning of a new era of stereoscopic films. Then, the stereoscopic TV adopting dual channel polarized imaging technology and the complementary color stereoscopic imaging technology made black & white and color TV three-dimensional, respectively. Currently, the most advanced 3D TV is fractional liquid crystal glasses stereo TV, which can provide vivid stereoscopic color image. When the TV frequency becomes higher, the image is stable without flicker. It is compatible with current color TV system and computer screen, and can easily be transformed to digital TV system.

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