Educational Videos

In CorneaGen’s Education Webinar and Video series, leading surgeons and experts in their fields share insights and pearls so that others can learn from their successes and experiences.

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From Referral to Recovery: CTAK and the OD:MD Relationship

Presented by: Katie Greiner, OD, William Wiley, MD, and Suzanne Kirk, MD

In this recorded CorneaGen webinar, Dr. Katie Greiner, Dr. William...

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CTAK for Keratoconus: Dr. Rahul Tonk’s Full Presentation at AAO 2025
Presented by: Rahul Tonk, M.D.
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CTAK Pearl: Patient Selection
Presented by: Peter Hersh, M.D.
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CTAK: Surgical and Clinical Pearls Booth Talk at ASCRS 2025
Presented by: Peter Hersh, M.D., Elizabeth Davis, M.D., F.A.C.S.
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CTAK for Keratoconus: Dr. Rahul Tonk’s Full Presentation at AAO 2025

Presented by: Rahul Tonk, M.D.

Learn about CTAK (Corneal Tissue Addition Keratoconus) in this full...

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CTAK: Surgical and Clinical Pearls Booth Talk at ASCRS 2025
Presented by: Peter Hersh, M.D., Elizabeth Davis, M.D., F.A.C.S.
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CTAK Booth Talk at AAO 2024
Presented by: Peter Hersh, M.D., Brandon Ayres, M.D.
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CTAK Booth Talk and Demo at ASCRS 2024
Presented by: Peter Hersh, M.D., Steven Greenstein, M.D. and William Wiley, M.D.
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CTAK Pearl: Patient Selection

Presented by: Peter Hersh, M.D.

Hear from CTAK co-creator, Peter Hersh, M.D. as he walks...

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CTAK Pearl: A Typical Case
Presented by: David R. Hardten, M.D.
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CTAK Pearl: Tear on the Channel
Presented by: David R. Hardten, M.D.
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CTAK Pearl: CTAK After Intacs Removal
Presented by: Steven Greenstein, M.D.
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From Referral to Recovery: CTAK and the OD:MD Relationship

Presented by: Katie Greiner, OD, William Wiley, MD, and Suzanne Kirk, MD

In this recorded CorneaGen webinar, Dr. Katie Greiner, Dr. William...

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CTAK – Surgical and Clinical Pearls
Presented by: Steven Greenstein, M.D., Elizabeth Davis, M.D. and David Hardten, M.D.
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CTAK – Reshaping Sight for Keratoconous
Presented by: David Hardten, MD and Elizabeth Davis, MD
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CTAK: The Latest Innovation for Keratoplasty
Presented by: John Berdahl, MD, Brandon Ayres, MD and William Wiley, MD
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Surgical Video of Corneal Tissue Addition For Keratoconus (CTAK)

Presented by: Brandon Ayres, M.D.

Corneal Tissue Addition for Keratoplasty or CTAK is an innovative...

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Handling of the Geuder Pre-Loaded Glass Cannula for DMEK

Schedule time with a Surgical Product Specialist to learn more!

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From Referral to Recovery: CTAK and the OD:MD Relationship

Presented by: Katie Greiner, OD, William Wiley, MD, and Suzanne Kirk, MD

In this recorded CorneaGen webinar, Dr. Katie Greiner, Dr. William...

Watch Now

CTAK for Keratoconus: Dr. Rahul Tonk’s Full Presentation at AAO 2025
Presented by: Rahul Tonk, M.D.
Watch Now
CTAK Pearl: Patient Selection
Presented by: Peter Hersh, M.D.
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CTAK: Surgical and Clinical Pearls Booth Talk at ASCRS 2025
Presented by: Peter Hersh, M.D., Elizabeth Davis, M.D., F.A.C.S.
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After Fellowship: The Importance of the Mentor-Fellow Relationship

Presented By: John Berdahl, MD, Brian Shafer, MD and Tanner Ferguson, MD

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DMEK Through the Lens of Mentorship and Fellowship
Panelist: Ijeoma Asota, M.D, and Marjan Farid, M.D.
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From Fellowship to Successful Practice – 2022
Panel: Rachel Gelman, MD, Neel Pasricha, MD and Brian Shafer, MD
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From Fellowship to Successful Practice
Lisa Nijm, M.D., J.D.
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CTAK Pearl: Ectasia After LASIK

Presented by: Steven Greenstein, M.D.

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DMEK – A Complicated Donor Insertion

Presented by: Anthony Aldave, M.D.

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DMEK in Eyes with Deep Anterior Chambers
Presented by: Anthony Aldave, M.D.
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From Crisis to Calm: Managing Unexpected Complications During Corneal Surgery
Presented by: Anthony Aldave, MD
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After Fellowship: The Importance of the Mentor-Fellow Relationship
Presented By: John Berdahl, MD, Brian Shafer, MD and Tanner Ferguson, MD
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DMEK Through the Lens of Mentorship and Fellowship

Panelist: Ijeoma Asota, M.D, and Marjan Farid, M.D.

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From Fellowship to Successful Practice – 2022
Panel: Rachel Gelman, MD, Neel Pasricha, MD and Brian Shafer, MD
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From Fellowship to Successful Practice – 2021
Panelists: Dr. Brenton Finklea, Dr. Allison Jarstad, Dr. Eli Sluch and Dr. Nandini Venkateswaran
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From Fellowship to Successful Practice
Lisa Nijm, M.D., J.D.
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CTAK Pearl: CTAK After Intacs Removal

Presented by: Steven Greenstein, M.D.

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Innovations in Corneal Endothelial Transplantation

Edward Holland, M.D.

Edward Holland, M.D. presents his experience of working with CorneaGen's...

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The Eye Bank Difference
Matt Giegengack, M.D.
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Using the EndoSerter^® to Insert Nano-Thin™, the Thinnest DSEK Tissue
Zaina Al-Mohtaseb, M.D.
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EndoSerter^® for DSEK
Julie Schallhorn, M.D., M.S.
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The EndoSerter-PL for DSEK Surgical Talk at ASCRS 2023

Presented by: Eric Donnenfeld, M.D.

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DSEK with Unstable PCIOL
Presented by: Anthony Aldave, M.D.
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DSEK in Eyes with Aphakia or Aniridia
Presented by: Anthony Aldave
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From Crisis to Calm: Managing Unexpected Complications During Corneal Surgery
Presented by: Anthony Aldave, MD
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CTAK Pearl: Tear on the Channel

Presented by: David R. Hardten, M.D.

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PK with a Suprachoroidal Hemorrhage

Presented by: Anthony Aldave, M.D.

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PK with Host Corneal Trephination
Presented by: Anthony Aldave, M.D.
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PK with Cataract Extraction #1
Presented by: Anthony Aldave, M.D.
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PK with Cataract Extraction #2
Presented by: Anthony Aldave. M.D.
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After Fellowship: The Importance of the Mentor-Fellow Relationship

Presented By: John Berdahl, MD, Brian Shafer, MD and Tanner Ferguson, MD

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CTAK Pearl: Tear on the Channel

Presented by: David R. Hardten, M.D.

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From Fellowship to Successful Practice – 2021

Panelists: Dr. Brenton Finklea, Dr. Allison Jarstad, Dr. Eli Sluch and Dr. Nandini Venkateswaran

Join our panel of passionate next generation ophthalmology leaders as...

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The New Normal: Reopening your Cornea Practice
Moderator: Kendall Donaldson, M.D.
Panelists: Nicole Fram, M.D., Sumitra Khandelwal, M.D., Matt Oliva, M.D., Roberto Pineda, M.D., and Heather Skeens, M.D.
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From Referral to Recovery: CTAK and the OD:MD Relationship

Presented by: Katie Greiner, OD, William Wiley, MD, and Suzanne Kirk, MD

In this recorded CorneaGen webinar, Dr. Katie Greiner, Dr. William...

Watch Now

CTAK for Keratoconus: Dr. Rahul Tonk’s Full Presentation at AAO 2025
Presented by: Rahul Tonk, M.D.
Watch Now
CTAK Pearl: Patient Selection
Presented by: Peter Hersh, M.D.
Watch Now
CTAK: Surgical and Clinical Pearls Booth Talk at ASCRS 2025
Presented by: Peter Hersh, M.D., Elizabeth Davis, M.D., F.A.C.S.
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DSEK in Eyes with Aphakia or Aniridia

Presented by: Anthony Aldave

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“Grip and Rip” ALK – A New Way to Approach ALK

Presented by: Mark Vital, M.D.

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DALK with Host Corneal Trephination
Presented by: Anthony Aldave, M.D.
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DALK – Pneumatic Separation of Descemet Membrane
Presented by: Anthony Aldave, M.D.
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From Crisis to Calm: Managing Unexpected Complications During Corneal Surgery
Presented by: Anthony Aldave, MD
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CTAK Pearl: Patient Selection

Presented by: Peter Hersh, M.D.

Hear from CTAK co-creator, Peter Hersh, M.D. as he walks...

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CTAK: Surgical and Clinical Pearls Booth Talk at ASCRS 2025
Presented by: Peter Hersh, M.D., Elizabeth Davis, M.D., F.A.C.S.
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CTAK Booth Talk at AAO 2024
Presented by: Peter Hersh, M.D., Brandon Ayres, M.D.
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CTAK Booth Talk and Demo at ASCRS 2024
Presented by: Peter Hersh, M.D., Steven Greenstein, M.D. and William Wiley, M.D.
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DSEK in Eyes with Aphakia or Aniridia

Presented by: Anthony Aldave

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“Grip and Rip” ALK – A New Way to Approach ALK

Presented by: Mark Vital, M.D.

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DSEK Redefined at ASCRS 2022
Presented by: Marjan Farid, M.D.
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DSEK Redefined at ASCRS 2022
Presented by: John Berdahl, M.D.
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“Grip and Rip” ALK at ASCRS 2022
Presented by: Mark Vital, M.D.
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BrightMEM Anterior Keratoplasty at ASCRS 2024

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From Crisis to Calm: Managing Unexpected Complications During Corneal Surgery

Presented by: Anthony Aldave, MD

In From Crisis to Calm, Dr. Anthony Aldave covers complications...

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From Referral to Recovery: CTAK and the OD:MD Relationship

Presented by: Katie Greiner, OD, William Wiley, MD, and Suzanne Kirk, MD

In this recorded CorneaGen webinar, Dr. Katie Greiner, Dr. William...

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Crosslinking and Intacs®: Maximize Impact and Outcomes
John Berdahl, M.D.
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The EndoSerter-PL for DSEK Surgical Talk at ASCRS 2023

Presented by: Eric Donnenfeld, M.D.

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From Referral to Recovery: CTAK and the OD:MD Relationship

Presented by: Katie Greiner, OD, William Wiley, MD, and Suzanne Kirk, MD

In this recorded CorneaGen webinar, Dr. Katie Greiner, Dr. William...

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Part 3 – Advanced DMEK: Complicated Cases – A Roundtable Discussion

Panelists: Nicole Fram, MD, Terry Kim, MD and Elizabeth Yeu, MD

Dr. Nicole Fram, Dr. Terry Kim and Dr. Elizabeth Yeu...

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Part Two – Advanced DMEK : A Roundtable Discussion on Complicated Cases
Panelists: Dr. Nicole Fram, Dr. Terry Kim and Dr. Elizabeth Yeu
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Handling of the Geuder Pre-Loaded Glass Cannula for DMEK
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Advanced DMEK: A Roundtable Discussion on Complicated Cases
Panelists: Dr. Nicole Fram, Dr. Terry Kim and Dr. Elizabeth Yeu
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CTAK: Surgical and Clinical Pearls Booth Talk at ASCRS 2025

Presented by: Peter Hersh, M.D., Elizabeth Davis, M.D., F.A.C.S.

CTAK creator, Peter Hersh, M.D., is joined by Elizabeth Davis,...

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CTAK Booth Talk at AAO 2024
Presented by: Peter Hersh, M.D., Brandon Ayres, M.D.
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CTAK Booth Talk and Demo at ASCRS 2024
Presented by: Peter Hersh, M.D., Steven Greenstein, M.D. and William Wiley, M.D.
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