Optical Prism April 2019 | Page 4

Publisher Robert May [email protected] 416-432-8473 Associate Publisher Mary Lu May [email protected] 416-233-0779 Editor Denis Langlois [email protected] 519-379-1380 Assistant Editor Jody Johnson [email protected] 519-370-2000 Art Director Ann Chen [email protected] 416-829-8106 Subscriptions: One year subscriptions rates: Canada $45.00; Outside Canada $90.00. Non-paid subscriptions to Optical Prism are limited to optometrists, opticians, ophthalmologists and buyers and key executives at retail chain store headquarters. All other individuals are eligible for subscriptions at the above annual rates. Postmaster: Send address changes to Optical Prism, 225 The East Mall, Suite 1113, Toronto, Ontario, Canada M9B 0A9. Advertising: GST Registration Number: 88541 6529 RT001. Tel: 416-233-0779 | Fax: 416-233-1746 Printed in Canada by Mi5 Print & Digital E-mail: [email protected] Canada Post Publications Mail Sales Classified ads: [email protected] Product Agreement No. 40040464 Website: www.opticalprism.ca Optical Prism Optical Prism (ISSN 0824-3441) is published 8 times a year by Nusand Publishing Inc. Issued in January-February, March, April, May-June, July-August, September, October, November- December. 225 The East Mall, Suite 1113, Responsibility: Nusand is not responsible for the opinions or statements of its editors or contributors. [email protected] All rights reserved. Reproduction of any article, photograph or artwork is strictly prohibited. 4 Optical Prism | April 2019 Toronto, Ontario, Canada M9B 0A9. Fax: 416-233-1746