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ABOUT US

Colorado Cataract & Laser provides dedicated care, experienced doctors, and extensive eye care services. We offer state-of-the-art vision technology and a professional staff with many years of experience.


Jennifer Grin M.D., F.A.C.S.

Jennifer Grin M.D., F.A.C.S., founder and attending surgeon of Colorado Cataract & Laser, is one of the most well known and experienced ophthalmologists in Colorado. She is a Board Certified eye physician and surgeon trained at Yale University and an active member of the American Academy of Ophthalmology and Society of Cataract and Refractive Surgery. She has been at the forefront of ophthalmology’s evolutionary changes throughout her career and continues to achieve the highest quality of standards in the country.

Dr. Grin first came to Colorado to complete her medical internship at Saint Josephs hospital in Denver in 1997 and developed an interest in high altitude medicine. In 1999 she joined a select group of physicians and researchers on the Yale University/NASA Everest Extreme Expedition to study effects of high altitude physiology at the Base Camp of Mount Everest. The team collected data on climbers and fellow researchers compensatory responses to hypoxia. Medical clinics and humanitarian efforts were also part of the groups efforts.

Dr. Grin utilizes the latest medical technology and techniques to provide the highest level of care and with her highly trained, trusted team, continue to bring compassionate and quality care to all.


Douglas Pethe, O.D.

Dr. Pethe is a Colorado native who grew up in Littleton and currently lives with his wife and their four children in Highlands Ranch. After graduating from Colorado State University, Dr. Pethe received his Doctor of Optometry degree from Pacific University College of Optometry in Oregon. As an adjunct Clinical Professor at Pacific University, Dr. Pethe served as clinical externship director overseeing 4th year optometric externs. A strong interest in new eye care procedures and technology has inspired Dr. Pethe to give several educational lectures for optometrists throughout Colorado. Dr. Pethe values the opportunity to provide quality eye care to his local community.

Dr. Pethe spent the first 10 years of his career at a refractive surgery center that specialized in LASIK surgery. Dr. Pethe provides consultations for refractive procedures such as LASIK, PRK, and refractive lens exchange. Cataract evaluations, dry eye treatment, eye injuries, diabetic eye exams, and glaucoma management are just a few of the many medical eye care services that Dr. Pethe provides as well. Dr. Pethe has extensive training in contact lens fitting including Keratoconus specialty contact lenses. Dr. Pethe provides pre- and post-operative care for surgical patients.

Dr. Pethe and his family enjoy many of Colorado’s fine offerings such as skiing, golf, camping, and adventure.

Dr. Douglas Pethe

Jacob J. Koczman, M.D.

Jacob J. Koczman M.D. is a board certified ophthalmologist that specializes in refractive cataract and LASIK surgery. He is skilled in the latest multifocal and astigmatism lens options and laser assisted bladeless cataract surgery. Dr. Koczman is a certified LASIK and PRK surgeon. He also has a special interest in pterygium surgery and eyelid surgery, correcting excess eyelid skin (blepharoplasty), outward turned lower lids (ectropion), and inward turned lower lids (entropion). He routinely treats glaucoma, retina, cornea and other eye disorders for adults and children.  He treats diabetes and macular degeneration with intravitreal injections.  He has been involved in clinical and basic science research studies including the Avedro Corneal Cross-linking for patient with keratoconus and other ectasias.

Dr. Koczman studied at Northwestern College, where he excelled in the classroom and in athletics. He graduated with honors as a double major in chemistry and biology and was a two time national champion in track and field and an academic All-American in Basketball. Since college, he has been inducted to Northwestern College athletic Hall of Fame. Before medical school he competed and made the finals for the 2004 USA Track and Field Olympic Trials in the 800-meter event. Dr. Koczman attended the University of Iowa for medical school where he discovered his passion for Ophthalmology. He completed his internship at Methodist Hospital, Indianapolis, IN. He continued his training in Indianapolis with the Indiana University Department of Ophthalmology where he was chief resident.  Dr. Koczman spent two years in North Carolina where he practiced and trained as a refractive and cataract surgeon under the tutelage of Michael Woodcock MD.  His professional associations include the American Society of Cataract and Refractive Surgeons and the American Academy of Ophthalmology. Dr. Koczman maintains an active lifestyle and enjoys running, cycling, hiking and many outdoor activities.

“I love being an ophthalmologist and couldn’t imagine having any other profession.  I pride myself in compassionate care and a commitment to excellence.  I’d love to care for your health and be your eye surgeon to help you see the world clearly.”  – Dr. Koczman