COVID-19 Notice

Please note, our business hours have not changed. As we navigate through the Coronavirus Pandemic, our office will continue to be responsive to all inquiries during our normal business hours. If you need to reach a doctor during non-business hours, please call 201-692-9434 and follow the emergency contact instructions. You can reach us by phone at 201-692-9434 or e-mail at

Glenpoint Centre East 300 Frank W. Burr Blvd. Teaneck, New Jersey, 07666





International Congress of Scleral Contacts 2016 - Miami, FL

July 29, 2016

Dr. Gelles was invited to lecture at The International Congress of Scleral Contacts meeting this past July.  During his talk, "EyePrintPRO for Bilateral Proud Grafts", he discussed scleral lens complications, scleral lenses and corneal transplants, as well as EyePrintPRO for bilateral proud grafts when all other options failed.  Dr. Gelles is among a group of less than 25 trained providers worldwide who fits patients with the EyePrintPRO device.  We are excited to be able to offer this technology to our patients! To read more about EyePrintPRO -

First Annual Intrepid Membership Meeting - Boson, MA

June 29, 2016

Dr. John Gelles, a founding member of the Intrepid Eye Society, presented, "Combined Procedures Keratoconus and Telemedicine of Eyecare" to a group of optometrists.  This covered current and future procedures for KC, current and future research at The Cornea and Laser Eye Institute, as well as the role of telemedicine in eyecare. 

The Intrepid Eye Society is a diverse group of emerging thought leaders in optometry with a goal of promoting excellence and growth in our field.  Their initiatives include advancement of optometry through innovative thought sharing on topics related to future medical therapeutics, diagnostics, practice development, research and development, and collaborative care and ophthalmology. 

New York Academy of Optometry Meeting

June 21, 2016

Dr. John Gelles was excited to be asked to discuss Corneal Collagen Crosslinking at the NYAO meeting.  The lecture was titled, “FDA Approved Corneal Collagen Cross-linking for Progressive Keratoconus: Everything You Need to Know for Successful Co-management”. 

Dr. Gelles is the Director of the Specialty Contact Lens Division here at The Cornea and Laser Eye Institute – CLEI Center for Keratoconus. 

The Cornea and Laser Eye Institute – CLEI Center for Keratoconus

May 25, 2016

Dr. Peter Hersh and Dr. John Gelles invited local optometrists to an educational event on Corneal Collagen Crosslinking.  Corneal Collagen Crosslinking was recently FDA approved and granted to Avedro, Inc. for Photrexa Viscous, Photrexa and the KXL System.  Dr. Hersh was medical monitor of the clinical trial which led to this approval.  Dr. Hersh discussed FDA approval for patients with progressive keratoconus while Dr. Gelles discussed how to successfully comanage patients who are having crosslinking performed.

If you are a physician interested in future continuing educational events at The Cornea and Laser Eye Institute, please contact Stacey Lazar at 


The International Congress of Corneal Collagen Cross-Linking

December 4-5

Dr. Peter Hersh and Dr. Clark Chang attended and lectured at the International Congress of Corneal Collagen Cross-Linking

Presentations by Dr. Peter Hersh:

  • Postoperative management after CXL
  • Evidence based clinical results of CXL for KC - Results of US FDA and ACOS clinical trials
  • Clinical results with PIXL for refractive corrections

Dr. Clark Chang discussed contact lens fitting in post crosslinked corneas.

In addition to the USA, speakers from all around the world were in attendance from various countries, Switzerland, Sweden, France, Mexico, to name a few.

GPLI Webinar - Dr. Clark Chang, OD, MSA, MSc, FAAO

September 15, 2015 - 8:00pm

Dr. Clark Chang is honored to discuss, "Contact Lens Fitting After Corneal Crosslinking and Intacs" for the GP Lens Institute on September 15, 2015. More than 200 optometrists across the U.S. are expected to attend currently, and there is an unprecendented headcount for an event like this.

If you are optometrist or ophthalmologist interested in attending this webinar, please Register Here.

Gavin Herbert Eye Institute, Irvine, CA

Discover Cener for Eye Research

June 19, 2015

Dr. Peter Hersh was asked to speak at the Gavin Herbert Eye Institut for their Second Annual Bench to Bedside Symposium! He was joined by colleague's in the field to discuss a number of the latest treatment options for keratoconus, oclar diseases, stell cell therapies and retinal diseases. Dr. Hersh discussed Corneal Collagen Crosslinking & Evolving Management Options for Keratoconus. The event was well received by all who attended.

Corneal Collagen Crosslinking Scientific Meeting - Zurich, Switzerland

May 15-17, 2015

Dr. Hersh recently returned from Zurich Switzerland where he met with a group of the leading scientists and researchers in collagen crosslinking. Along with basic science discoveries, Amongst the new innovations discussed was topography controlled crosslinking. The procedure will allow crosslinking customized to the shape of the cornea in Keratoconus. As the leader in Keratoconus care and research, The CLEI center for Keratoconus continues to bring our patients the best in care.

American Society of Cataract and Refractive Surgery - Annual Meeting - San Diego, CA

April 17-20, 2015

Dr. Peter Hersh attended the annual ASCRS Ophthalmology Symposium & Congress, along with CLEI Manager Stacey Lazar, and Bethann Hibbert, our clinical research coordinator. This year's meeting was held at the San Diego Conference Center. (Do you and Bethann have a picture to post?)

Dr. Hersh spoke at the ASCRS Collagen Crosslinking Symposium about "Complications of Corneal Collagen Crosslinking" to a group of ophthalmologists and cornea specialists.

At this year's meeting, there was an announcement of FDA approval of a new procedure for reading vision correction, the KAMRA corneal inlay. Dr. Hersh was a principal investigator and the CLEI team participated in the clinical trials leading to FDA approval. With approval we will be able to offer this procedure for reading vision correction to appropriate candidates. A consultation will be needed to see if this is the best procedure for a patient, but we are excited to begin treatment in the near future.

Southern College of Optometry & The University of Tennessee - Memphis, TN

March 21, 2015

Dr. Chang was invited to be a guest speaker at a Continuing Education event hosted by Southern College of Optometry and The University of Tennessee. The lecture is entitled, "Contemporary Management of Keratoconus". Dr. Chang will be presenting with John Mark Jackson, OD, Aaron Waite, MD and David Lin, MD.

Rutgers - New Jersey Medical School - Newark, NJ

February 9, 2015

Dr. Hersh discussed Corneal Collagen Crosslinking as part of a Continuing Education Program at Rutgers, New Jersey Medical School, where Dr. Hersh is the Director of The Division of Cornea and Refractive Surgery.

Westchester, Rockland, Putnam Optometric Society - Tarrytown, NY

November 10, 2014

Dr. Hersh was invited by the President of WRP Optometric Society, Dr. Steve Rubinstein, to speak at their CE meeting on November 10, 2014. Dr. Hersh discussed current CXL outcomes as well as treatment options for patients and appropriate follow-up care. The lecture was well received by all and Dr. Hersh was honored to be a guest lecturer at this event.

Contact Lens Association of Ophthalmologists (CLAO) - Toronto, Canada

June 12-14, 2014

Dr. Chang was invited by Contact Lens Association of Ophthalmologists to speak at CLAO International Symposium and Congress. This prestigious conference took place in Toronto, Canada. It was well attended by ophthalmologists, optometrists and vision science researchers; Dr. Chang spoke on "Updates in Hybrid Contact Technology" and "Corneal Collagen Crosslinking in the U.S.: Results from Early Studies".

American Society of Cataract and Refractive Surgery (ASCRS) Annual Meeting - Boston, MA

April 25-28, 2014

Dr. Hersh will be attending the annual ASCRS ophthalmology Symposium & Congress, along with 2 staff members. This year's meeting will be held at the Boston Convention Center. Boston is home to his alma mater, Harvard Medical School where he completed both his ophthalmology residency and fellowship in cornea service.

At the Symposium, Dr. Hersh will be giving 6 lectures about CXL to ophthalmologists as well as ophthalmic technicians discussingsurgical techniques, results, and future technology . Being that the ASCRS Annual Symposium is exclusively for the anterior segment specialists, there will be many physicians and staff members in the corneal sub-specialty of ophthalmology discussing treatment options and results.

In addition to Dr. Hersh being in attendance, he understands the importance of learning and encourages the CLEI staff to expand their education. Every year, 2 staff members attend to either keep up with certifications (Certified Ophthalmic Technician or Certified Ophthalmic Associate), attend lectures or be an active participant in the program.

Swedish Optometric Association, Annual Meeting - Gothenberg, Sweden

February 8-9, 2014

Dr. Chang was a featured speaker at the Optometridagrana, Sweden; there were over 600 optometrists from the region in attendance for this converence. Dr. Chang lectured on "Clinical Applications of New Hybrid Contact Lens Technology" and "Current Management Concepts for Keratoconus and Ectasia".

Institute of Ophthalmology and Visual Science - Rutgers - New Jersey Medical School

Ophthalmology Grand Rounds Lecture Series - "Corneal Collagen Crosslinking" - Newark, NJ

January 13, 2014

Dr. Hersh presents Corneal Collagen Crosslinking to fellow Ophthalmologists, Optometrists, Opticians, Technicians and other health-care personnel.

Current Concepts in Ophthalmology - Atlantic City, NJ

January 10-11, 2014

2014 is just beginning, and there is much to look forward to in the of new developments within the ophthalmology community. Dr. Hersh is discussing new developments in LASIK, CXL, Intacs and corneal reshaping.

American Academy of Ophthalmology - Annual Meeting - New Orleans

Subspecialty Day - November 15-16, 2013

Meeting - November 16-19, 2013

American Academy of Optometry, Annual Meeting - Seattle, WA

October 23-26, 2013

Dr. Chang discusses novel contact lens fitting strategies in post-operative patients whom have received IntraCorneal ring segment(s).

28th Biennial Cornea Conference at Harvard - Boston, Mass

October 18-19, 2013

Dr. Hersh, along with other well respected physicians, was invited to lecture on New & Emerging Technologies. His lecture on corneal collagen crosslinking will discuss current technologies and results.

"The Cornea Conference, hosted by Schepens Eye Research Institute, Massachusetts Eye and Ear Infirmary, Harvard Medical School, is one of the leading conferences of its type in the world. This premier anterior segment eye research conference leads to new insights into the pathogenesis and therapy of disease of the ocular surface by exploring current clinical and laboratory research devoted to the cornea, and to build links between this exciting new information and the numerous disease entities that afflict this portion of the eye." (

The New Jersey Academy of Ophthalmology Annual Meeting - September 27, 2013

Dr. Hersh was invited to lecture at the NJ Academy of Opthalmology Meeting. The topic of Corneal Collagen Crosslinking will be discussed in depth, from understanding the clinical course after crosslinking to understanding concepts in new approaches to KC management.

Optometry's Meeting 2013 San Diego, CA

June 26-30, 2013

Dr. Chang was invited as one of the two keynote speakers at Pat Cummings Memorial Course where Drs. Chang and Eiden spoke to audience from all around the world on the "Contemporary Concepts in Diagnosis and Treatment of Keratoconus and Ectasia".

Bogota, Colombia - March 7-8, 2013

Dr. Hersh and a team of eye surgeons visited Bogota, Colombia to perform surgery and review patients treated with a new LASIK procedure. This procedure combines LASIK with corneal collagen crosslinking. While LASIK vision correction surgery reshapes the cornea to improve nearsightedness, farsightedness, and astigmatism, collagen crosslinking uses a combination of riboflavin (vitamin B2) and ultraviolet light to strengthen the cornea. The team visited Dr. Gustavo Tomayo who has treated many patients with this procedure.

14th International Congress on Wavefront & Presbyopic Refractive Corrections Wavefront Congress

Hollywood, Florida - February 21-24, 2013

Dr. Hersh discusses Corneal Collagen Crosslinking results and new techniques.

Global Specialty Lens Symposium

Las Vegas - January 24 - 27, 2013

Dr. Chang was invited to join an esteemed international panel to prent contact lens fitting challenges and management options for scleral contact lenses. There were attendees from over 31 countries in the audience for this featured presentation.

Dr. Hersh gives lecture at the 8th International Congress of Corneal Cross-Linking

Geneva, Switzerland - December 7,8, 2012

Dr. Hersh was invited to lecture at the International Congress of Corneal Cross-Linking. He has had the honor of lecturing at this event multiple times. He discussed U.S. Crosslinking Clinical Trials, Corneal Biomechanics in Crosslinking and Predictors of Success for Crosslinking.

The Cornea and Laser Eye Institute has been involved in U.S. FDA clinical trials since 2008. If you are interested in an evaluation to see if you qualify for CXL, please contact us at or 201-883-0505.

2012 San Diego Specialty Contact Lens Symposium

San Diego - February 24-26, 2012

Dr. Chang was invited as a feature speaker at the San Diego Specialty Contact Lens Symposium and discussed the clinical applications of the new hybrid lens technology. 

Joseph C Toland: 22nd Annual Excellence in Education Converence

Philadelphia - May 6th, 2012

Dr. Chang joined other keynote speakers in paying tribute to an inspiring educator, Joseph C Toland, M.D., who has been a great mentor to many eye care professionals.  Dr. Chang presented research and surgical findings in management of irregular cornea patients. 

The Association for Research in Vision and Ophthalmology (ARVO)

Fort Lauderdale - May 6-10, 2012

Dr. Chang co-authored a scientific poster for presentation at ARVO, an annual conference that attracts the world's largest gathering of international eye and vision researchers.  To view poster "The Use of Hybrid Contact Lens in Keratoconus and Ectasia Patients after Intacs and Corneal Collagen Crosslinking", click here.

Dr. Hersh publishes an article in the Journal of Cataract and Refractive Surgery - "Patient subjective visual function after corneal collagen crosslinking for keratoconus and corneal ectasia."  Congrats to all of the authors participation! To read the full article, please
click here. 


2012 Global Specialty Lens Symposium

Las Vegas - January 26-29, 2012

Dr. Chang attended the Global Specialty Lens Symposium to present "Contact Lens Treatment Options and Outcomes in Keratoconus and Corneal Ectasia Patients" as a scientific paper and "The Use of Hybrid Contact Lenses in Keratoconus and Ectasia Patients" as a poster.  There were 460 attendees from 31 countries in attendance at this annual meeting.  To view poster, click here. 

American Academy of Ophthalmology

Orlando - October 20-25, 2011

Dr. Hersh discusses Corneal Collagen Crosslinking at the sub-specialty day of the American Academy of Ophthalmology.  Nearly 1000 ophthalmologists were in attendance!

Dr. Hersh gives lecture at XXIX Congress of the ESCRS

Vienna, Austria - September 17-21, 2011

"Update on U.S. Clinical Trials of Corneal Collagen Crosslinking."  Dr. Hersh presented the clinical results of corneal collagen crosslinking in a controlled clinical trial.  Stabilization of keratoconus was achieved in most patients over 2 years of followup after crosslinking. 

Dr. Chang gives contact lens webinar

May 11, 2011

Dr. Chang will share his extensive knowledge of fitting the ClearKone® lens on several types of irregular cornea patients. Strategies for troubleshooting common fitting problems, case studies and tips for simplifying the hybrid fitting process will be discussed. Attendees will have the opportunity to ask questions and share experiences.


Dr. Hersh gives lecture at ASCRS Symposium & Congress

San Diego, CA - March 24-27, 2011

Dr. Hersh will discuss, "The Clinical Time- Course of Outcomes on Corneal Collagen Crosslinking for Keratoconus" and combining Intacs with Crosslinking for keratoconic patients.  



Dr. Hersh invited to speak at 6th International Congress of Corneal Cross-Linking

Milan, Italy - January 21-22, 2011


At the most recent international congress on corneal collagen crosslinking, Dr. Hersh presented a paper on the results of the U.S. Corneal Collagen Crosslinking (CXL) clinical trials.  Of great interest, he presented the work analyzed by the research team  at the CLEI Center for Keratoconus looking at the clinical timecourse of patient outcomes.  To read more about these early results from the clinical trial of collagen crosslinking for keratoconus, refer to our most recently published article, "Corneal collagen crosslinking for keratoconus and corneal ectasia: One-year results".