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GP Lens Institute Newsletter | June 30, 2022

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This newsletter is kindly sponsored by:

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The Importance of Fitting Corneal GP Lenses 

This month we will feature how to design, fit, evaluate and troubleshoot corneal GP lenses, including spherical and toric designs. An overview of my webinar on June 14th will be provided, our first in a series of complimentary COPE-approved courses to occur through the end of the year. We are hoping to initiate our GPLI Eye Care Professional membership program at that time which will include complimentary COPE continuing education. It is evident that how to properly fit and evaluate corneal GP lenses is important for a number of reasons including their multifocal, irregular cornea, and orthokeratology applications as well as serving as an important foundation for scleral lens success. We will also highlight several of our online spherical and toric lens resources. Finally, we will recognize the passing of a true contact lens icon, John De Carle.


SPOTLIGHT ON EDUCATION:

Spherical and Toric GP Lens Design, Fitting, and Problem-Solving

Ed Bennett, OD, MSEd, FAAO, FSLS

This webinar, presented June 14th is now archived under the “Webinars” tab on www.gpli.info. The areas presented during the webinar included the following topics.


SPHERICAL DESIGNS


Managing Lens Awareness

  • Presentation
  • Topical Anesthetic
  • Vision/Empirical Fitting
  • Lens Design


Lens Material Selection

  • Via low, high, hyper Dk
  • Lens coatings


Lens Design, Fitting & Evaluation: Case Study with 12 Important Design and Fitting Pearls

  • Overall diameter selection
  • Base curve radius selection (often flatter than “K”)
  • Base curve-corneal relationship (i.e., for larger OAD you need flatter BCR)
  • Peripheral curve design
  • Center thickness
  • Edge design
  • Use lenticular (or equivalent) when indicated
  • Make lens design changes significant
  • Fluorescein pattern determination
  • Lens movement
  • Lens power determination
  • Lens storage and disinfection


Troubleshooting

  • Inferior decentration
  • Corneal desiccation
  • Poor surface wettability


GP TORIC LENS DESIGN, FITTING, AND EVALUATION


Why Toric GP Lenses in High Astigmatism


Back Surface Versus Bitorics


Base Curve Radii Determination


Empirical Fitting

  • Mandell-Moore: Case example
  • GPLI Toric and Spherical Lens Calculator: Case example
  • Newman GP Guide


Diagnostic Fitting

  • Spherical Power Effect versus Cylinder Power Effect with example cases


GP Bitoric Resources

Watch the Webinar

UPCOMING WEBINARS

For Eye Care Professionals:

July 19th at 8PM Central

How to Incorporate Orthokeratology into Contact Lens Practice

by Roxanna T. Potter, OD, FAAO, FSLS


This course is COPE Qualified for 1 hour of continuing education.

COPE Course ID: 78905-PM


The GP Lens Institute has gratefully received commercial support from Acuity Polymers, Inc.Art Optical Contact Lenses, Inc.ContamacEuclid Systems Corporation, and Menicon for this activity in the form of unrestricted educational grants.

Learn More and Register

For Students:

July 21st at 8PM Central

Who Cares About Research? What Every Optometry Student Should Know

by Erin Tomiyama, OD, MS, FAAO


This webinar is kindly supported by: ABB Optical Group, Acuity Polymers, Inc., BostonSight, and Contamac

Learn More and Register

SPOTLIGHT ON RESOURCES:

GP Spherical and Toric Lens Design Resources

The GP Lens Institute has a large number of both spherical 

and toric lens resources. 

Education by Lens Type

Among the many resources emphasizing spherical lenses include:

 

Click ’n’ Fit. Experience the virtual and interactive fitting of a patient via the use of an online diagnostic set


GP Fitting, Evaluation, and Problem-Solving. This is a video-based program to assess in evaluating fluorescein patterns as well as managing common lens-induced problems


GP Lens Clinical Pocket Guide. This provide pearls in the fitting and management of all forms of corneal lens designs as well as sclerals. This has been updated in 2022 with the revised version to be posted soon.


GP Lens Case Grand Rounds Troubleshooting Guide. This 63-case online book has 12 unique cases pertaining to spherical lens correction


GPLI Toric and Spherical Lens Calculator. This calculator allows you to input refractive data and determine the GP spherical lens design to be ordered.

There are also many toric resources including:


GPLI Toric and Spherical Lens Calculator. This calculator allows you to input refractive data and determine graphically the GP toric lens design to be ordered including tips on what is most important with this design.


Mandell-Moore Empirical Guide and Mandell-Moore Calculator. This popular guide is present in both a downloadable form and as a separate calculator. The calculator has just been updated and should be available within the next week.


Newman GP Guide. Renown contact lens specialist, Dr. Clarke Newman, has his custom empirical toric lens design guide available to be downloaded as well.


GP Lens Case Grand Rounds Troubleshooting Guide. This 63-case online book has 8 exceptional and unique cases benefitted by GP toric lens designs.


Archived webinars. There are a number of archived webinars emphasizing toric GP lenses and the ease of design and fitting them today.

Order Printed Materials

Orders shipped to the US only - 200 of each complimentary including shipping

FIND A GP SPECIALIST

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We have almost 3000 GP specialists with their area(s) of specialty listed to assist you when you need to refer a patient or for patients looking for a GP specialist as this resource is also available on our consumer site: contactlenses.org. If you are interested in signing up to be a referral GP lens practitioner, you can do so here


Specialties Include:

General GP Contact Lenses

Bifocal/Multifocal Contact Lenses

Contact Lenses for Irregular Corneas

Corneal Reshaping / Orthokeratology

Scleral Lens Designs

Submit Your Practice

Spotlight on a Contact Lens Icon: John De Carle

On Monday, June 27th, contact lens pioneer and innovator John De Carle passed away at the age of 96. For anyone with even a passing interest in contact lens correction of presbyopia, he is a household name. He was a true pioneer in rigid bifocal lenses with the introduction in the mid 1950s of what is now termed the “De Carle Bifocal”. It consisted of a corneal concentric lens design with a center-distance portion. However, his legacy is primarily a result of the fact that he is truly the “Father of Extended Wear”. He developed the principles and the material composition that ultimately resulted in the introduction of the first US Food and Drug Administration approved soft extended wear lens in 1981, the Permalens from CooperVision. His numerous honors include receiving the highest honor from the American Optometric Association’s Contact Lens and Cornea Section, the Dr. Donald R. Korb Award, as well as the Founders Award from the American Academy of Optometry’s Section on Cornea, Contact Lenses & Refractive Technologies.


👏🏻 And the Award Goes to... 👏🏻 

The GPLI would like to acknowledge Advisory Board members Craig Norman and Patrick Caroline and former Advisory Board member Mark Andre, who were the co-recipients of the American Optometry Association Contact Lens and Cornea Section Achievement Award given in recognition of outstanding contribution to the optometric profession in the area of contact lenses and eye care.


(Pssst...Beth would also like to give a shout out to our beloved Dr. Ed Bennett for his National Optometry Hall of Fame induction! He was in good company – with the other 2022 inductees being Drs. Joe Barr, Charles Brownlow, and Don  Williamson.)

Drs. Ed Bennett and Joe Barr,

photo courtesy Dr. Tom Quinn

L to R: Dr. Tom Quinn, Dr. Glenda Secor, Patrick Caroline, Dr. Ed Bennett, Craig Norman, and Dr. Jean Bennett

About the GPLI

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Edward S. Bennett, OD, MSEd, FAAO, FSLS

Professor Emeritus, University of Missouri St Louis College of Optometry

President and Executive Director, GP Lens Institute (GPLI)


The Gas Permeable Lens Institute is dedicated to providing eyecare professionals with unbiased educational and practice-building resources highlighting GP and custom manufactured soft contact lenses.


Please support the educational opportunities provided by the GP Lens Institute. We will continue to support all ECPs, staff and your patients. Be kind, respectful and find happiness within yourself!!

Thank you again to our newsletter sponsors

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