Meet Our Doctors

  • William Richheimer, MD

    Dr. Richheimer fell in love with Colorado during his residency at Denver’s St. Joseph’s hospital. After leaving to complete his training at world-renowned eye centers, Dr. Richheimer returned to Colorado. In 2008, he realized his dream of creating his own leading-edge vision care practice, Mile High Eye Institute.

    As a leader in ophthalmology, Dr. Richheimer was the first fellow in the United States to be fully certified in the Staar Implantable Contact Lens, the first U.S. surgeon to perform ultra-thin DESK, and one of only a few local surgeons who performs corneal cross-linking. Dr. Richheimer further stays on the forefront of cataract surgery, providing the most advanced techniques and all options for lens implant technology.

    Dr. Richheimer enjoys giving back to the community through teaching and volunteering. On numerous occasions, he has provided surgical care in underserved countries. In his spare time, he relishes adventures with his family, as well as working towards his goal of becoming an iron-distance triathlete.

  • Dr. Zachary Vest, MD

    Dr. Zachary Vest is a fellowship trained glaucoma specialist who joined Mile High Corneal Specialists in 2014. Dr. Vest specializes in the medical and surgical management of glaucoma as well as advanced cataract surgery techniques. Originally from St. Louis, MO, Dr. Vest earned a degree in biomedical engineering at Texas A&M University before attending the University of Texas Southwestern Medical School in Dallas for his medical school, ophthalmology residency and glaucoma fellowship. Dr. Vest has participated in research concerning the efficacy and safety of new surgical technologies in glaucoma. Dr. Vest and his wife spend much of their free time enjoying the outdoors by hiking, fly fishing and camping.


    Dr. Hudson grew up in Eugene, Oregon and graduated from Oregon State University with a bachelor’s in BioHealth Sciences with a focus in Pre-Optometry. She received her Doctor of Optometry degree from U.C. Berkeley. During her time there she gained extensive clinical experience in management of ocular pathology, contact lens, and refractive surgery with externships that took her through California, Arizona, Colorado and Oregon. She was a member of the Beta Sigma Kappa honor society, Berkeley Student Ambassador, and VOSH (Volunteer Optometric Services for Humanity) member where she traveled to Nicaragua for a medical mission trip as well as volunteered with Project Homeless Connect giving much needed medical care to the homeless population of San Francisco.

    Dr. Hudson joined the Mile High Eye Institute in 2019. She is passionate about providing thoughtful, compassionate, and expert care to her patients. Whether she is seeing you for a postoperative visit after cataract surgery or fitting you in scleral contact lenses for your keratoconus, she strives to give you the same level of care she would give to her own friends and family.

    Dr. Hudson loves taking advantage of everything Colorado has to offer! After work you can find her climbing at Clear Creek or Movement, driving out to the mountains for a ski weekend, playing guitar, or grabbing a local craft beer with friends. She’s always looking for the next adventure and her newest pursuits include scuba diving and white water kayaking.


    Dr. Graber was born and raised in Logansport, Indiana. She attended Indiana University for both her undergraduate and Doctor of Optometry studies. During her time in Optometry School, she also completed a Master’s degree in Vision Science with an emphasis on age-related macular degeneration. She has written publications and given presentations at the American Academy of Optometry related to her thesis work in macular degeneration. After graduation she completed her residency training at the Portland VA Health Care System where she was exposed to a wide variety of anterior and posterior ocular diseases such as keratoconus, glaucoma, and various retinal conditions.

    Dr. Graber joined the Mile High Eye Institute team in 2019 where she collaborates closely with Drs. Vest and Richheimer for new patient evaluations, continuing care, and postoperative examinations. Dr. Graber continuously strives to provide comprehensive eyecare and seeks to meet the individual needs, preferences, and values of each patient.

    Dr. Graber enjoys spending her free time hiking, biking, and gardening. She is currently on a mission to complete all of Colorado’s 14er mountains with her husband.

  • Lisa Reyes, OD

    Dr. Reyes was born and raised in Spencer, Iowa. She graduated from the University of Nebraska at Omaha with a Bachelor of Arts degree in Biology. After working closely with several Optometrists as mentors, she attended The Ohio State University, where she earned her Doctor of Optometry degree. Her clinical education includes extensive training in the diagnosis and management of ocular disease, contact lenses, binocular vision, and post-operative eye care. She also had the honor of providing eye care for veterans at the Chalmers P. Wylie VA Medical Center.

    Dr. Reyes joined the Mile High Eye Institute in 2021. She is devoted to providing thorough, compassionate, and expert care with every patient encounter. She works closely with Drs. Richheimer and Vest during new patient evaluations, ongoing management, and postoperative visits to ensure patients receive the highest quality care that is unique to their needs and values.

    Dr. Reyes is also a wife and mother who cherishes time spent with her husband and kids. She enjoys running, music, get-togethers with friends, and soaking in the Colorado sunshine!

Contact Us

We look forward to hearing from you.


Find us on the map

Hours of Operation

Our Regular Schedule

Primary Office


7:00 am-5:00 pm


7:00 am-5:00 pm


7:00 am-5:00 pm


7:00 am-5:00 pm


7:00 am-5:00 pm