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Ivantis is proud to be able to partner with the leading researchers and surgeons in the field of glaucoma. It is through these relationships that we are guided towards providing new and innovative life-changing solutions to this important area of ophthalmology and health care.


Peter Kolchinsky, PHD

Peter Kolchinsky is a founder, Portfolio Manager, and Managing Director at RA Capital Management. Peter is active in both public and private investments in companies developing drugs, medical devices, diagnostics, and research tools, and serves as a Board Member for various public and privately held companies, including Dicerna Pharmaceuticals, Inc. and Wave Life Sciences Ltd. Peter also leads the firm’s outreach and publishing efforts, which aim to make a positive social impact and spark collaboration among healthcare stakeholders, including patients, physicians, researchers, policy makers, and industry. He authored “The Entrepreneur’s Guide to a Biotech Startup” and served on the Board of Global Science and Technology for the National Academy of Sciences. Peter holds a BS from Cornell University and a PhD in Virology from Harvard University.



Ike Ahmed, MD

Dr. Ike K. Ahmed is a fellowship-trained glaucoma, cataract, and anterior segment surgeon practicing in Toronto, Ontario. Surgical management of glaucoma, the complex cataract and management of cataract and intraocular lens complications are his areas of subspecialty expertise. He is board certified in ophthalmology in Canada and the USA, and is an active member of the Canadian Ophthalmological Society (COS), American Academy of Ophthalmology (AAO), American Society of Cataract and Refractive Surgery (ASCRS), Association for Vision and Research in Ophthalmology (ARVO), International Society of Glaucoma Surgery (ISGS), Canadian Glaucoma Society (CGS), and the

Dr. Ahmed has a keen interest in the development of advanced microsurgical techniques in glaucoma surgery and complicated cataract extraction, and is actively involved in research and medical education at a national and international level. He has received research grants to study glaucoma medications, glaucoma laser and surgical devices/techniques, anterior segment and retinal/optic nerve imaging in glaucoma, cataract surgical techniques and devices, and intraocular lens designs. Dr. Ahmed has designed innovative glaucoma diamond scalpels for surgery, microsurgical instrumentation, and devices, implants, and techniques for the management of the dislocated cataract and glaucoma.


Reay Brown, MD

Dr. Reay H. Brown is a board certified ophthalmologist specializing in glaucoma, glaucoma surgery, and cataract surgery with intraocular lens implantation. He has been in practice in Atlanta since 1988.

Dr. Brown earned his undergraduate degree from Harvard College Cum Laude and completed medical school at the University of Michigan. His training in ophthalmology was at the Wilmer Eye Institute of Johns Hopkins University. He then completed a glaucoma fellowship at the Bascom Palmer Eye Institute and returned to Johns Hopkins as Chief Resident and a member of the Hopkins faculty.

Dr. Brown was selected as the first Pamela Firman Professor of Ophthalmology at the Emory Eye Center. Mrs. Firman made the donation for the professorship in gratitude for Dr. Brown's care of her eyes. He served as the Director of the Glaucoma Service at Emory for eleven years prior to entering private practice with Atlanta Ophthalmology Associates in 1999.

Dr. Brown has published more than 80 peer-reviewed articles on glaucoma, cataract surgery, and other aspects of eye care and is often asked to lecture on glaucoma at national and international meetings. He has received the Honor Award and the Senior Achievement Award from the American Academy of Ophthalmology. Dr. Brown is one of only a few ophthalmologists in Georgia who have received this prestigious award. Dr. Brown has been awarded 15 patents for new instruments to improve glaucoma and cataract surgery and has other patents pending. He continues to work on novel and improved approaches to glaucoma and cataract surgery.

Dr. Brown has been selected by his peers to be listed each year in Best Doctors in America and was featured in a separate peer survey in Atlanta Magazine as one of the best ophthalmologists in Atlanta. Numerous media outlets, both local and national, have called attention to Dr. Brown's contributions to cutting edge treatments in eye surgery.


Henry Jampel, MD

Dr. Henry Jampel, Odd Fellows and Rebekahs Professor of Ophthalmology, has been a member of the Glaucoma Division at the Wilmer Eye Institute since 1988. He received his bachelor's degree in Biology, summa cum laude, from Harvard College, and subsequently attended the Yale University School of Medicine. Dr. Jampel pursued both his ophthalmology residency training and glaucoma fellowship at the Wilmer Institute, and was then invited to join the faculty.

In 1996 he received a Master's degree in Health Finance and Administration. He serves as Associate Editor-in-Chief of Ophthalmology, one of the premier journals in the field, and the official journal of the American Academy of Ophthalmology (AAO).  He is the Chairman of the AAO Ophthalmic Technology Panel. Dr. Jampel's research interests include patient-oriented outcomes of glaucoma treatment, detection of glaucoma progression, and pediatric glaucoma, especially Sturge-Weber syndrome. He was the Principal Investigator of a National Eye Institute funded study to determine if changes in the thickness of the retina can predict visual field loss in glaucoma.


Murray Johnstone, MD

Dr. Murray Johnstone is currently Clinical Professor in the Department of Ophthalmology at the University of Washington. Since joining the UW faculty, Dr Johnstone has developed a glaucoma research laboratory at the Eye Institute where he is engaged in a full time effort to define mechanisms that cause the pressure elevation in glaucoma. The research has demonstrated new pathways for aqueous flow.

Dr. Johnstone received his ophthalmology training at the Harvard Medical School Program at the Massachusetts Eye and Ear Infirmary.   A fellowship in glaucoma followed in the Harvard Howe Laboratory of Ophthalmology. He then founded Glaucoma Consultants Northwest, a practice limited to glaucoma subspecialty referral, primarily focused on surgical glaucoma issues. The last 17 years of his private clinical career he was listed in Best Doctors in America.

Dr Johnstone has acted as a reviewer for eight journals, has written 30 refereed journal articles as well as seven book chapters related to glaucoma issues. Society memberships include the American Glaucoma Society, the Chandler and Grant Glaucoma Society, American Academy of Ophthalmology, Trabecular Meshwork Society and the American Society of Cataract and Refractive Surgery where he served as a cofounder of the glaucoma section. He is the recipient of both Honor Award and Senior Honor Awards for teaching from the American Academy of Ophthalmology.


Malik Kahook, MD

Dr. Malik Kahook is an Associate Professor and Director of the Glaucoma Service in the Department of Ophthalmology at the University of Colorado. He specializes in the medical and surgical care of glaucoma and cataracts. He has authored more than 170 peer-reviewed manuscripts, abstracts and chapters. He is editor of the textbook Chandler and Grant’s Glaucoma 5th edition as well as Essentials of Glaucoma Surgery. Doctor Kahook was awarded an AGS Clinician-Scientist Fellowship Award for 2007 as well as the AGS Compliance Grant for 2006. He was named New Inventor of the Year 2009 and Inventor of the Year 2010 for the University of Colorado.

Dr. Kahook completed his residency training at the University of Colorado, Rocky Mountain Lions Eye Institute in Denver, CO, where he was named Chief Resident. He then went on to complete his fellowship in glaucoma at the University of Pittsburgh Medical Center in Pittsburgh, PA.


Richard Lewis, MD

Dr. Richard A. Lewis, is the former director of glaucoma at the University of California, Davis. In addition to his busy clinical practice located in Sacramento, California, Dr. Lewis is actively involved in clinical research in national and international trials in glaucoma therapy. He is past president of the American Glaucoma Society. Dr. Lewis is the medical editor emeritus of Glaucoma Today and on the editorial board of the Journal of Glaucoma, Video Journal of Ophthalmology,and Ocular Surgery News. He is co-founder of Sacramento’s Capital City Surgery Center.

Dr. Lewis attended the University of California, Berkley as an undergraduate and received his doctorate in medicine from Northwestern University Medical School in Chicago in 1978. His ophthalmology training included a residency at the Department of Ophthalmology at the University of California, Davis, and a fellowship in glaucoma at the University of Iowa Department of Ophthalmology in Iowa City. He is a Diplomat of the American Board of Ophthalmology and the National Board of Medical Examiners.

Dr. Lewis has published over eighty articles and book chapters focusing on glaucoma, ophthalmic surgery, and ophthalmic pharmacology in The Archives of Ophthalmology, Ophthalmology, and The American Journal of Ophthalmology. He is co-author of the book, Curbsides in Glaucoma. He teaches and lectures extensively on glaucoma and cataract surgery. He has received the American Academy of Ophthalmology Honor and Senior Honor Awards for his contributions in teaching and leadership and for initiating the AAO Subspecialty Day meeting.


Tom Samuelson, MD

Dr. Thomas W. Samuelson is a founding partner and attending surgeon of Minnesota Eye Consultants specializing in the treatment of glaucoma, cataract, and anterior segment surgery. Dr. Samuelson also is afaculty member at Hennepin County Medical Center, a major teaching hospital for the University of Minnesota residency program.

Dr. Samuelson completed his medical degree at the University of Minnesota and his residency training at the University of South Florida where he served as chief resident. He received his fellowship sub-specialty training in Glaucoma at the Wills Eye Hospital in Philadelphia.  Dr. Samuelson is the current Treasurer for the American Glaucoma Society and serves on its Executive Committee. Dr. Samuelson is Chair of the Glaucoma Division of ASCRS and serves on the ASCRS Executive Board of Governance. He is an Associate Secretariat of the American Academy of Ophthalmology  (AAO) Annual Meeting, supervising all Skills Transfer Courses. He serves as a reviewer/author of the Basic Clinical Science Course textbook series for the AAO. Dr. Samuelson is the glaucoma section editor for Ocular Surgery News
Dr. Samuelson’s research interests include surgical procedures involving Schlemm’s Canal as well as the management of coincident cataract and glaucoma. He has also performed research on the safety of LASIK in patients with other ocular disorders, especially glaucoma.


Kuldev Singh, MD

Dr. Kuldev Singh is Professor of Ophthalmology and Director, Glaucoma Service at the Stanford University School of Medicine. Dr. Singh received his MD and MPH degrees from the Johns Hopkins University School of Medicine and was the Eleanor Naylor Dana Charitable Trust Fellow at the Wilmer Eye Institute.   He completed his ophthalmology residency at the Casey Eye Institute followed by a Heed Foundation supported glaucoma fellowship at the Bascom Palmer Eye Institute in Miami.

Dr. Singh has approximately 200 publications including over 100 peer reviewed articles and has served on the editorial boards of 11 journals.  Dr. Singh’s current research interests focus on glaucoma clinical trials, the epidemiology of glaucomatous disease,  glaucoma surgery,  genetics and health care delivery in developing countries.  Dr. Singh served as Executive Vice President of the World Glaucoma Association(WGA)from 2008-2012 and remains on the WGA Executive Committee and Board of Governors. He is Vice President/President-Elect of the American Glaucoma Society with his two year term as President to begin on January 1, 2013. Dr. Singh has served on the Board of Directors for the Glaucoma Research Foundation (GRF) over the past 5 years and is the immediate past Board Chair for GRF.

Dr. Singh has served as Chair for the glaucoma section of the Ophthalmic Technology Assessment Panel of the American Academy of Ophthalmology (AAO) and is the present Methodologist for this Panel.  He was Glaucoma Subspecialty Day Program Director and Co-Chair at the 2002 and 2003 AAO Meetings and presently serves as Chair of the 2012 AAO Subspecialty Day Program Committee. Dr. Singh received the Senior Achievement Award from AAO in 2005, and Secretariat Awards in 2006 and 2009. He won First Prize in the Cataract Surgery Section of the Challenge Cup  at the 2006 Annual Meeting of the American Society of Cataract and Refractive Surgery. Dr. Singh was the sole recipient of the 2006 Franklin G. Ebaugh Jr. Award  at Stanford University.  He served as an Academic Advising Dean at the Stanford University School of Medicine from 2002-2005 and is currently serving his second three year term as an elected member of Stanford’s Faculty Senate.