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Congratulations on your purchase of the AT550 Auto Non-Contact Tonometer
The AT550 is an auto-aligning non-contact tonometer used to measure the intraocular
pressure of the eye by delivering an air pu to the eye.
This User’s Guide is designed as a training and reference manual. We recommend you
carefully read and follow the steps in this guide to ensure optimum performance from
your new instrument.
Please retain this guide for future reference and to share with other users. This guide
should be used with product catalog numbers 13900 and 13901. Additional copies can
be obtained from your authorized Reichert Ophthalmic Instruments dealer or contact
our Customer Service Department directly at (716) 686-4500, fax (716) 686-4555, or e-
mail: info@reichert.com.
Introduction
© 1999 Reichert Ophthalmic Instruments, a Division of Leica Microsystems Inc.
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, electronic, mechanical, recording, or
otherwise, without the prior written permission of Reichert Ophthalmic Instru-
ments.