Doctors
Our Caring Castle Rock Optometrists Are What Makes Us Special!
Meet the experienced and friendly doctors and staff who make Black Diamond Eye Care the leading provider of family vision care services and products.
Our dedicated team of Castle Rock optometrists, along with our friendly staff, are devoted to providing top-tier eye care services in a warm and relaxing atmosphere. Whether you require a regular eye check-up, need to fit contact lenses, or need treatment for an eye-related issue, we are at your service. We eagerly await the opportunity to serve you and your loved ones.
We consistently receive top ratings as the best eye doctors in Castle Rock, offering comprehensive eye care for families. We also specialize in diagnosing and treating many eye problems, such as glaucoma, cataracts, macular degeneration, and dry eye.
All of our locations also offer retinal imaging services for your convenience.
- Dr. Jason Ortman
- Dr. Alyssa Biever
- Dr. Rachel Hasler
- Dr. Crystal Liu
- Dr. Jeremy Morris
- Dr. Courtney Putnam
Dr. Jason Ortman came to Colorado in 2001 to ski, as his native Northeast Ohio did not satisfy that interest well. After falling in love with Colorado, he realized his dream and purchased Castle Pines Eye Care in 2007.
Dr. Ortman graduated from Indiana University with Bachelor of Science in Biology. After a gap year spent working for his childhood eye doctor, he enrolled at The Ohio State University College of Optometry and received his Doctor of Optometry degree in 2000. In school, he was a member of Beta Sigma Kappa Honorary Fraternity and was also honored with the Corning Low Vision Award. After graduating, he completed a residency in ocular disease and hospital-based optometry at the New Mexico Veteran Affairs Medical Center in Albuquerque.
In addition to primary eye care, Dr. Ortman specializes in hard-to-fit specialty contact lenses, contact lens related myopia management, and ocular disease.
He has enjoyed working with several non-profit groups providing eye care in Guyana, Costa Rica, Mexico, Honduras, China, Zambia, Cambodia, and here in Colorado. Dr. Ortman served on the Board of Trustees for the Colorado Optometric Association and is a member of the Third Party Executive Committee for the American Optometric Association and was honored with the AOA’s Payor Advocacy Award in 2023.
In 2010, he was honored as the Colorado Optometric Association’s Young Optometrist of the Year. In 2013, he was among the first optometrists nationwide to earn board certification and became a Diplomat of the American Board of Optometry.
In 2017, Castle Pines Eye Care (now Black Diamond Eye Care) was honored with the Coopervision Best Practices Award.
Dr. Ortman has also devoted his time to supporting the Castle Pines Chamber of Commerce, since its founding in 2007. He has served on the board on two separate occasions and served as President of the Board in 2019. In 2012, he was honored as the Castle Pines Businessperson of the Year and in 2022, was awarded the Castle Pines Small Business of the Year.
Alyssa Biever was born and raised in Littleton, Colorado. Receiving her Bachelor of Science degree in biology at Creighton University, she continued to earn her Doctorate in Optometry at Pacific University in Forest Grove, Oregon.
During optometry school, Dr. Biever was awarded the Bright Fellows Cooper Vision Contact Lens Leadership Award. Her clinical training included rotations in Colorado, Wyoming, Pennsylvania and Washington where she worked in a variety of clinical settings including OD/MD specializing in cataract and refractive surgery, private practice, VA medical centers, and active-duty military bases. Dr. Biever is a member of the American Optometric Association and the Colorado Optometric Association. She is passionate about ocular disease management, contact lenses, and dry eye treatment.
In her free time, Dr. Biever enjoys hiking, camping, cheering on the Colorado Avalanche, and spending time with her friends and family.
Born and raised in south central Wisconsin Dr. Rachel Hasler attended the University of Iowa where she received her Bachelor of Arts in Health Sciences. Inspired by her father and grandfather – both Optometrists in her home town – she followed in their footsteps and attended the Illinois College of Optometry and received her Doctorate in Optometry.
While she was a student Dr. Hasler was an active member of the Contact Lens Society, American Optometric Student Association, Beta Sigma Kappa Honor Society and the Tomb and Key Society. On graduation Dr. Hasler received a Valedictory award and a Certification of Commendation for her outstanding score on the National Optometry Board Examination.
Dr. Hasler’s training included rotations at the VA Medical Center in Rhode Island, the Cornea and Contact Lens Institute of Minnesota and Walter Reed Army Medical Center in Bethesda, MD. After completing her degree, Dr. Hasler completed a year long residency in Primary Care and Ocular Disease at the Illinois College Of Optometry. During that residency she received special training in the treatment and management of advanced ocular disease including urgent ocular problems.
Dr. Hasler enjoys Primary Care, Ocular Disease Management, Specialty Contact Management, and Myopia Management.
Dr. Crystal Liu, born and raised in southern Colorado, obtained her Bachelor of Science in Integrative Biology from the University of Colorado Denver. She then earned her Doctorate of Optometry from the Pennsylvania College of Optometry, gaining extensive clinical experience in ocular disease management, dry eye treatment, and fitting contact lenses through externships in Southern California and Pennsylvania. Dr. Liu was a member of the Beta Sigma Kappa honor society, the National Optometric Student Association, and the Lions Club.
Beyond her academic achievements, she enjoyed volunteering with Remote Area Medical, at Wills Eye Hospital for Give Kids Sight Day, Villanova’s Special Olympics, and elementary schools throughout the Philadelphia community. Following her graduation, Dr. Liu completed a residency in Primary Care and Ocular Disease at The Eye Institute in Philadelphia, where she gained significant experience in treating a diverse range of anterior and posterior ocular diseases, such as dry eye, keratoconus, glaucoma, and various retinal conditions.
Outside the clinic, Dr. Liu enjoys exploring Denver’s restaurant scene, experimenting with new recipes, traveling, and spending quality time with her friends and family.
Dr. Jeremy Morris is a compassionate and experienced optometrist who has dedicated the past nine years to improving the visual comfort and eye health of his patients. Originally from Nebraska, he earned his bachelor’s degree in Nutrition and Exercise Sciences from the University of Nebraska, where he developed a strong appreciation for the connection between whole-body wellness and ocular health. He continued his education at the Illinois College of Optometry in Chicago, graduating in 2016.
Shortly after completing his doctorate, Dr. Morris moved to Colorado to begin his career. Over the years, he has gained extensive experience in contact lens clinics and dry eye centers, focusing on helping patients find long-lasting relief from dry eye symptoms and achieve exceptional vision—even in cases involving corneal disease or irregular corneas. His expertise in advanced contact lens fitting and ocular surface management has allowed many patients to experience the clearest and most comfortable vision they’ve ever had.
Dr. Morris is also passionate about the role of lifestyle, nutrition, and supplementation in eye health. He enjoys educating patients on how supporting their overall well-being can positively impact visual performance and long-term ocular function.
With a strong personal interest in technology and artificial intelligence, Dr. Morris is excited about the future of eye care. He looks forward to seeing how emerging innovations will enhance diagnostics, improve patient outcomes, and transform the management of ocular disease.
Outside the office, Dr. Morris enjoys spending quality time with family, traveling, and exploring new places with his fiancée, Fran, and their dog, Meika. He values adventure, wellness, and embracing the tools and technologies that help people live healthier, more fulfilling lives.
Dr. Putnam grew up in Marietta, Georgia where she earned her Bachelor of Science degree in Biology at Kennesaw State University. She then received her Doctorate of Optometry from University of Alabama at Birmingham School of Optometry in 2015.
During optometry school, Dr. Putnam realized she was passionate about refractive surgery and treating ocular disease, which led her to seek out and complete a residency at one of the Southeast’s largest LASIK Clinics, Woolfson Eye Institute in Atlanta, Georgia. During her residency, she specialized in pre/post-operative LASIK care, and evaluating and managing numerous eye diseases such as glaucoma,
macular degeneration, cataracts, corneal disorders, and diabetic eye disease. Dr. Putnam has always placed tremendous value on the patient experience and quality of care, which is the primary focus of Black Diamond Eye Care.
Dr. Putnam is actively involved in the Colorado Optometric Association, holds a leadership position on the Young Optometric Professionals Committee, and completed an optometric leadership program with the Colorado Optometric Association. Dr. Putnam was also involved in an optometric mission trip to Costa Rica and has hopes to visit other countries in the future to provide eye care to rural areas.
As she has always had a passion for the outdoors, she decided to move to Denver, CO in 2016 where she could spend her free time hiking, biking, skiing, and exploring the beautiful state of Colorado with her husband, two children, and two dogs.
Dr. Jason Ortman
Dr. Jason Ortman came to Colorado in 2001 to ski, as his native Northeast Ohio did not satisfy that interest well. After falling in love with Colorado, he realized his dream and purchased Castle Pines Eye Care in 2007.
Dr. Ortman graduated from Indiana University with Bachelor of Science in Biology. After a gap year spent working for his childhood eye doctor, he enrolled at The Ohio State University College of Optometry and received his Doctor of Optometry degree in 2000. In school, he was a member of Beta Sigma Kappa Honorary Fraternity and was also honored with the Corning Low Vision Award. After graduating, he completed a residency in ocular disease and hospital-based optometry at the New Mexico Veteran Affairs Medical Center in Albuquerque.
In addition to primary eye care, Dr. Ortman specializes in hard-to-fit specialty contact lenses, contact lens related myopia management, and ocular disease.
He has enjoyed working with several non-profit groups providing eye care in Guyana, Costa Rica, Mexico, Honduras, China, Zambia, Cambodia, and here in Colorado. Dr. Ortman served on the Board of Trustees for the Colorado Optometric Association and is a member of the Third Party Executive Committee for the American Optometric Association and was honored with the AOA’s Payor Advocacy Award in 2023.
In 2010, he was honored as the Colorado Optometric Association’s Young Optometrist of the Year. In 2013, he was among the first optometrists nationwide to earn board certification and became a Diplomat of the American Board of Optometry.
In 2017, Castle Pines Eye Care (now Black Diamond Eye Care) was honored with the Coopervision Best Practices Award.
Dr. Ortman has also devoted his time to supporting the Castle Pines Chamber of Commerce, since its founding in 2007. He has served on the board on two separate occasions and served as President of the Board in 2019. In 2012, he was honored as the Castle Pines Businessperson of the Year and in 2022, was awarded the Castle Pines Small Business of the Year.
Dr. Alyssa Biever
Alyssa Biever was born and raised in Littleton, Colorado. Receiving her Bachelor of Science degree in biology at Creighton University, she continued to earn her Doctorate in Optometry at Pacific University in Forest Grove, Oregon.
During optometry school, Dr. Biever was awarded the Bright Fellows Cooper Vision Contact Lens Leadership Award. Her clinical training included rotations in Colorado, Wyoming, Pennsylvania and Washington where she worked in a variety of clinical settings including OD/MD specializing in cataract and refractive surgery, private practice, VA medical centers, and active-duty military bases. Dr. Biever is a member of the American Optometric Association and the Colorado Optometric Association. She is passionate about ocular disease management, contact lenses, and dry eye treatment.
In her free time, Dr. Biever enjoys hiking, camping, cheering on the Colorado Avalanche, and spending time with her friends and family.
Dr. Rachel Hasler
Born and raised in south central Wisconsin Dr. Rachel Hasler attended the University of Iowa where she received her Bachelor of Arts in Health Sciences. Inspired by her father and grandfather – both Optometrists in her home town – she followed in their footsteps and attended the Illinois College of Optometry and received her Doctorate in Optometry.
While she was a student Dr. Hasler was an active member of the Contact Lens Society, American Optometric Student Association, Beta Sigma Kappa Honor Society and the Tomb and Key Society. On graduation Dr. Hasler received a Valedictory award and a Certification of Commendation for her outstanding score on the National Optometry Board Examination.
Dr. Hasler’s training included rotations at the VA Medical Center in Rhode Island, the Cornea and Contact Lens Institute of Minnesota and Walter Reed Army Medical Center in Bethesda, MD. After completing her degree, Dr. Hasler completed a year long residency in Primary Care and Ocular Disease at the Illinois College Of Optometry. During that residency she received special training in the treatment and management of advanced ocular disease including urgent ocular problems.
Dr. Hasler enjoys Primary Care, Ocular Disease Management, Specialty Contact Management, and Myopia Management.
Dr. Crystal Liu
Dr. Crystal Liu, born and raised in southern Colorado, obtained her Bachelor of Science in Integrative Biology from the University of Colorado Denver. She then earned her Doctorate of Optometry from the Pennsylvania College of Optometry, gaining extensive clinical experience in ocular disease management, dry eye treatment, and fitting contact lenses through externships in Southern California and Pennsylvania. Dr. Liu was a member of the Beta Sigma Kappa honor society, the National Optometric Student Association, and the Lions Club.
Beyond her academic achievements, she enjoyed volunteering with Remote Area Medical, at Wills Eye Hospital for Give Kids Sight Day, Villanova’s Special Olympics, and elementary schools throughout the Philadelphia community. Following her graduation, Dr. Liu completed a residency in Primary Care and Ocular Disease at The Eye Institute in Philadelphia, where she gained significant experience in treating a diverse range of anterior and posterior ocular diseases, such as dry eye, keratoconus, glaucoma, and various retinal conditions.
Outside the clinic, Dr. Liu enjoys exploring Denver’s restaurant scene, experimenting with new recipes, traveling, and spending quality time with her friends and family.
Dr. Hasler is excited to join the Castle Pines Eye Care team and to spend her free time exploring her new home in Colorado.
Dr. Jeremy Morris
Dr. Jeremy Morris is a compassionate and experienced optometrist who has dedicated the past nine years to improving the visual comfort and eye health of his patients. Originally from Nebraska, he earned his bachelor’s degree in Nutrition and Exercise Sciences from the University of Nebraska, where he developed a strong appreciation for the connection between whole-body wellness and ocular health. He continued his education at the Illinois College of Optometry in Chicago, graduating in 2016.
Shortly after completing his doctorate, Dr. Morris moved to Colorado to begin his career. Over
the years, he has gained extensive experience in contact lens clinics and dry eye centers, focusing
on helping patients find long-lasting relief from dry eye symptoms and achieve exceptional
vision—even in cases involving corneal disease or irregular corneas. His expertise in advanced
contact lens fitting and ocular surface management has allowed many patients to experience the
clearest and most comfortable vision they’ve ever had.
Dr. Morris is also passionate about the role of lifestyle, nutrition, and supplementation in eye
health. He enjoys educating patients on how supporting their overall well-being can positively
impact visual performance and long-term ocular function.
With a strong personal interest in technology and artificial intelligence, Dr. Morris is excited
about the future of eye care. He looks forward to seeing how emerging innovations will enhance
diagnostics, improve patient outcomes, and transform the management of ocular disease.
Outside the office, Dr. Morris enjoys spending quality time with family, traveling, and exploring
new places with his fiancée, Fran, and their dog, Meika. He values adventure, wellness, and
embracing the tools and technologies that help people live healthier, more fulfilling lives.
Dr. Courtney Putnam
Dr. Putnam grew up in Marietta, Georgia where she earned her Bachelor of Science degree in Biology at Kennesaw State University. She then received her Doctorate of Optometry from University of Alabama at Birmingham School of Optometry in 2015.
During optometry school, Dr. Putnam realized she was passionate about refractive surgery and treating ocular disease, which led her to seek out and complete a residency at one of the Southeast’s largest LASIK Clinics, Woolfson Eye Institute in Atlanta, Georgia. During her residency, she specialized in pre/post-operative LASIK care, and evaluating and managing numerous eye diseases such as glaucoma,
macular degeneration, cataracts, corneal disorders, and diabetic eye disease. Dr. Putnam has always placed tremendous value on the patient experience and quality of care, which is the primary focus of Black Diamond Eye Care.
Dr. Putnam is actively involved in the Colorado Optometric Association, holds a leadership position on the Youn
g Optometric Professionals Committee, and completed an optometric leadership program with the Colorado Optometric Association. Dr. Putnam was also involved in an optometric mission trip to Costa Rica and has hopes to visit other countries in the future to provide eye care to rural areas.
As she has always had a passion for the outdoors, she decided to move to Denver, CO in 2016 where she could spend her free time hiking, biking, skiing, and exploring the beautiful state of Colorado with her husband, two children, and two dogs.
Our Team of Doctors
Dr. Jason Ortman
Optometrist
Dr. Alyssa Biever
Optometrist
Dr. Courtney Putnam
Optometrist
Dr. Rachel Hasler
Optometrist
Dr. Crystal Liu
Optometrist
Dr. Jeremy Morris
Optometrist
Castle Rock, CO 80109
Fri: 8:00am – 5:00pm
Sat: 8:00am – 1:00pm
Lakewood, CO 80215
Fri: 8:30am – 5:00pm