Introduction to Contact Lens Fitting_ Module 3.1
- 1. INTRODUCTION TO CONTACT LENS FITTING Module 3.1
- 2. Copyright Notice The IACLE Contact Lens Course (all formats) is the sole property of the International Association of Contact Lens Educators (IACLE) and is protected, without limitations, by copyright. By accessing this material, you agree to the following terms and conditions: You may only access and use the IACLE Contact Lens Course for personal or educational purposes. Any dissemination or sale of the IACLE Contact Lens Course, either in whole or in part, or use of the materials for other than educational and personal purposes, is strictly prohibited without the express written consent of IACLE. Except as declared below, you may not reproduce, republish, post, transmit, or distribute any material included in the IACLE Contact Lens Course. You may print materials for personal or educational purposes only. All copyright information, including the IACLE logo, must remain on the material. Appropriate reference must be provided to any use of the content of the IACLE Contact Lens Course, including text, images, &/or illustrations.
- 3. SPONSORS Development and delivery of contact lens education by IACLE is supported through educational grants and in-kind contributions Major In-Kind Supporters Industry Supporters
- 4. Published in Australia by The International Association of Contact Lens Educators First Edition 1997 The International Association of Contact Lens Educators 1996 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, without the prior permission, in writing, of: The International Association of Contact Lens Educators IACLE Secretariat, PO Box 656 Kensington NSW 1465 Australia Email: iacle@iacle.org
- 5. CONTRIBUTORS Introduction to Contact Lens Fitting: Ma. Meredith Reyes, OD, MA Robert Terry, BOptom, MSc Lewis Williams, AQIT (Optom), MOptom, PhD For a complete list of acknowledgements please see our website: www.iacle.org
- 6. CONTACT LENS FITTING • Patient screening • Preliminary examination & measurements • Trial lens fitting • Lens dispensing • After-care
- 7. PATIENT SCREENING AIMS • Establish why the patient wants CLs • Is the patient suitable for CLs ? • Obtain baseline information • Advise patient of their options
- 8. PATIENT SCREENING Factors to consider in patient selection • Anatomical and physiological • Psychological • Pathological • Personal and occupational needs • Refractive
- 10. HISTORY • General health • Ocular health • Medication • Ocular history • Occupational, recreational, environmental factors
- 11. HISTORY
- 12. HISTORY
- 13. HISTORY
- 14. PATIENT SCREENING AND EXAMINATION RESULTS Advise patient of: • Suitability • Performance that can be expected from lenses
- 15. PATIENT SCREENING AND EXAMINATION RESULTS
- 16. PRELIMINARY EXAMINATION AND MEASUREMENT • Slit-lamp examination of the anterior segment • Measurement of ocular dimensions • Assessment of the tears • Spectacle refraction
- 18. TRIAL FITTING: ROUTINE • Diagnostic fitting • Final lens order
- 19. TRIAL FITTING: REQUIREMENTS • Trial sets • Contact lens solutions • Slit-lamp • Flourescein dye • Documentation
- 21. TRIAL FITTING: LENS SELECTION • Back optic zone radius • Total diameter • Centre thickness • Water content • Lens design • Lens type • Lens material • Back vertex powers
- 22. TRIAL FITTING: PROCEDURE • Initial lens selection • Trial lens fitting and vision assessment • Subsequent trial lens selection
- 23. TRIAL FITTING: DESIRED RGP LENS FITTING
- 24. TRIAL FITTING: DESIRED SCL FIT
- 25. TRIAL FITTING: FINAL LENS ORDER Specifications: • Lens parameters • Lens material and type • Special requirements • Delivery date required
- 26. LENS DISPENSING • Provide information on the lens care regimen • Practise insertion and removal techniques • Provide information on adaptation • Provide information on signs of complications • After-care visit schedule
- 27. AFTER - CARE • Investigate complaints • Perform general ocular examination: –Over-refraction –Slit-lamp microscopy –Other tests particular to the patient • Assess lens fit • Review lens care regimen • Schedule next after-care visit
- 28. THANK YOU Table of Contents CLICK to return to the first slide Feedback on errors, omissions, or suggestions for improvement are invited. Please contact us at: iacle@iacle.org See the following slides explaining the symbols, abbreviations, and acronyms used in the IACLE Contact Lens Course
- 29. SYMBOLS
- 30. ABBREVIATIONS
- 31. ACRONYMS
- 32. ACRONYMS