Ophthalmic Ultrasonography Documenta Ophthalmologica Proceedings Series volume 38 Editor H. E. Henkes 1984 Dr W. JUNK PUBLISHERS a member of the KLUWER ACADEMIC PUBLISHERS GROUP THE HAGUE / BOSTON / LANCASTER Ophthalmic Ultrasonography Proceedings of the 9th SIDUO Congress, Leeds, U.K. July 20-23, 1982 Edited by Jeffrey S. Hillman and Malcolm M. Le May 1984 Dr W. JUNK PUBLISHERS a member of the KLUWER ACADEMIC PUBLISHERS GROUP THE HAGUE I BOSTON I LANCASTER Distributors for the United States and Canada: Kluwer Boston, Inc., 190 Old Derby Street, Hingham, MA 02043, USA for all other countries: Kluwer Academic Publishers Group, Distribution Center, P.O.Box 322,3300 AH Dordrecht, The Netherlands Library of Congress Cataloging in Publication Data SIDUO. Congress (9th: 1982: Leeds, West Yorkshire) Ophthalmic ultrasonography. (Documenta ophthalmologica. Proceedings series v. 38) • Includes index. 1. Ultrasonics in ophthalmo1ogy--Congresses. 1. Hillman, Jeff'rey S. II. Le May, Malcolm M. III. Title. IV. Series. [DNLM: 1. Eye diseases- Diagnosis--Congresses. 2. Ultrasonics--Diagnostic use --Congresses. W3 Dc:637 v.38 / WW 143 8569 19820] RE79.u485 1982 617.7'1543 83-13612 ISBN-13: 978-94-009-7280-3 e-ISBN -13: 978-94-009-7278-0 DOl: 10.1007/978-94-009-7278-0 Copyright © 1983 by Dr W. Junk Publishers, The Hague. Softcover reprint of the hardcover 1s t edition 1983 All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publishers, Dr W. Junk Publishers, P.O. Box 13713, 2501 ES The Hague, The Netherlands. CLINICAL SCIENCES BUILDING, St. JAMES'S UNIVERSITY HOSPITAL, LEEDS. Photograph by University of Leeds Audio-Visual Service. CONTENTS PART ONE: THE EYE 1. Intraocular tumours Ultrasound in the management of intraocular tumours (with par ticular reference to their local resection) Wallace S Foulds Echographic diagnosis of large choroidal melanomas 15 Ronald L Green Spectrum of manifestations of metastatic malignant melanoma 21 B M Kerman & M L Findl An analysis of 30 cases of proven malignant melanoma of the choroid - ultrasonographic and histological findings 29 J L Noble & I B Marsh Ultrasonographic characteristics in prediction of cell type in choroi- dal malignant melanoma 37 M L Findl, K Zakka, B M Kerman & R Y Foos Echographic pattern evaluation of eyes with choroid melanoma for corneal graft utilization 43 A Loffredo, G Cennamo, A De Lellis, A Sammartino & A Del Prete A- and B-mode ultrasound biometry in the proton beam irradiation of uveal melanomas 51 Peter L Lou & Evangelos Gragoudas Echographic modifications of the choroid in its tumours and pseudo- tumours 57 Jacques Poujol & Michel Le Roy Experimental imitations of the less prominent lesions of the fundus and their echographic analysis 63 VDorn Echography and Cardio-Green® angiography in eig!1t cases of choroidal haemangiomas 69 V Mazzeo, A Giovannini, L Ravalli & G Costantini Low reflective choroidal metastatic tumor 77 D Doro, G B Moschini & P Cardin Ultrasonographic aid in the diagnosis of retinoblastoma-suspected cases 81 F Goes 2. Vitreo-retinal pathology Contact ultrasonography in the evaluation of diabetic traction retinal detachment associated with vitreous haemorrhage 93 Y L Fisher Evaluation of quantitative echography for intraocular membrane- like lesions 95 A Sawada, Y Masuyama, Y Baba & Y Oyamada Errors in diagnostic ultrasound. A critical review of 68 patients undergoing diagnostic ultrasound before vitrectomy 107 R Mliller-Breitenkamp, H G Trier, B Volker & U Mester Five years of ultrasonographic diagnosis in combined surgery through the pars plana 115 A Reibaldi, M Di Pilato & T Avitabile Pre-vitrectomy ultrasonic examination of the traumatised eye 121 Franco Passani, Luigi Barca & Giorgio Venturi Ultrasonic characteristics of ocular trauma - especially diagnostic application of ophthalmic ultrasonic high-speed electronic scan- ning display 127 Sadanao Tane & Akira Komatsu M-mode echography pattern study in retinal detachment 133 A Bonavolonta' & G Cennamo Ultrasonographic pattern of the eyeball operated on for retinal detachment 141 A Reibaldi, M Di Pilato & M M Tritto Differential diagnosis of disciform lesions using standardized echo- graphy 149 Sandra Frazier Byrne In-vivo measurements of vitreous and retinal acceleration 163 Alan L Susal & James T Walker 3. Other intraocular pathology Posterior scleritis - the role of ultrasonography in the follow-up of the disease 169 R F Guthoff & Gurinder Singh Diagnostic ultrasound in massive choroidal haemorrhage 175 L Kolozsviui B-scan ultrasonograms of ciliary body detachment 181 Yukio lijima & Kaoru Asanagi Ultrasonic diagnosis of intraocular cysticercus 191 Eduardo Moragrega VIII 4. Biometry for lens implantation How to obtain maximum measuring accuracies with standardized A-scan 197 Karl C Ossoinig Biometry in calculating intraocular lens power 217 W Hauff Manual versus electronic measurement of the axial length 225 H John F Shammas Computerized biometry and lens calculation 231 J M Thijssen, W A Verhoef, F Pasman-Scheps & A M Verbeek Computerized ocular biometry: a newly developed compact system 237 R-D Lepper & H G Trier Refraction after intraocular lens implantation: results with a com puterized system for ultrasonic biometry and for implant lens power calculation 243 R-D Lepper & H G Trier Correction of ultrasonic distance measurements for the calculation of the refractive power of intraocular lenses 249 B Prahs Ultrasound velocity in different types of lens opacities 257 A Loffredo, A De Lellis & G Cennamo 5. Clinical biometry Ultrasonic biometry in congenital glaucoma - a clinical study 261 M Massin & B Pellat Ultrasonic biometry in congenital glaucoma 267 K Bluth Ultrasonic biometry of the sagittal growth of eyes in children 277 Sadanao Tane & J unko Kohno Biometry of the eye during accommodation 295 J K Storey & E P Rabie Comparison of axial oculometry by ultrasound and by slit-lamp photometry, a new measuring method 303 H C Fledelius, B Krogsaa, J Larsen & H Lund-Andersen Influence of biometric parameters on squint surgery 311 P Rossi, M Zingirian, G P Fava, A Rivara, C Bertolini & A Polizzi Ultrasonic study of axial length changes after encircling operation in aphakic eyes 317 Y Baba & A Sawada Biometric evaluation of eyeball volume changes after encircling procedures 325 M Zingirian, P Rossi, G P Fava & A Polizzi IX PART TWO: THE ORBIT 1. Orbital tumours Real-time imaging of blood vessels within ocular tumors and the orbit 331 Alan L Susal Ultrasonic imaging of orbital tumors 339 Song Guo-Xiang Standardized echography in the diagnosis of hemangioendothelioma 347 Sandra Frazier Byrne Ultrasonographic and clinical findings in cavernous orbital hae- mangioma 357 F Goes 2. Optic nerve and muscles Comparative value of ultrasound and CT scanning in orbital optic nerve evaluation 365 Harold W Skalka & Lanning B Kline Echography, VECP and computerized tomography in tumours of the optic nerve 371 W Buschmann, W Haigis & P Solis-Redon Myositis of extraocular muscles diagnosed with standardized echo- graphy 381 Karl C Ossoinig & Vernon M Hermsen 3. Miscellaneous B-scan ultrasonography of orbital varices 393 Song Guo-Xiang & Xiao Li-Hua Echography in carotid-cavernous fistulas 399 W Hauff & P Till The diagnosis of orbital mucoceles and pyoceles with standardized echography 407 G Hasenfratz & K C Ossoinig Echographic patterns of peripheral nerve tumours 417 V Mazzeo, R Scorrano, L Ravalli & M Spettoli PART THREE: PHYSICS & TECHNIQUES Ultrasound interaction in the eye 423 Marie Restori, Sidney Leeman & John Weight Performance measurements and quantitative echography 433 W Haigis & W Buschmann Acoustic parameters of ocular tissues 445 J M Thijssen, H J M Mol, M J T M Cloostermans, W J M Verhoef, M van Lieshout, M R Timmer & A M Verbeek x Ultrasound investigation of the carotid vessels 451 V J Marmion, M Aldoori, J P Woodcock & E J Shedden Ocular tissue characterization by RF-signal analysis: summary of the Bonn/Stuttgart in-vivo study 455 H G Trier, D Decker, R-D Lepper, K M Irion, R Reuter, M Kottow, R Miiller-Breitenkamp & K J Otto Microcomputer aided imaging techniques in ophthalmic B-mode 467 Yukio Yamamoto, Siroh Hirano, Yasu Sugata, Michiko Tomita, Fukuyo Kaburagi, Eiko Okada & Hiroko Takayama Special electrical test generator for quality assurance of ocular biometry and of Doppler equipment 479 R Reuter & Hans Georg Trier A simplified water immersion method using a thin film 487 H Okamoto Excerpts from addresses: Closing remarks 495 Author Index 499 Subject Index 501 XI