; Skip to Main Content

Doctors & Staff

Meet the experienced and friendly doctors and staff who make Associates in Eyecare the leading provider of vision care products and services.


Dr. HieuHieu Vu-Gia, O.D.

Dr. Hieu Vu-Gia grew up in Connecticut and earned his Bachelor of Arts degree from New York University in New York City. Pursuing an interest in optometry led him to the Pennsylvania College of Optometry in Philadelphia where he earned his Doctor of Optometry. After graduation, Dr. Vu-Gia moved to the Washington, DC, metropolitan area and has been in practice here since 1996. He currently resides in Northern Virginia with his wife, two children and the family dogs, Max and Sassy.

Dr. Vu-Gia is a highly trained optometrist with extensive experience in primary eye care, treatment and management of eye diseases, contact lenses, and the co-management of refractive surgery (especially in Laser Vision Correction). He is Orthokeratology Certified by the manufacturers of several orthokeratology lens designers, a non surgical alternative to refractive surgery. Dr. Vu-Gia is a member of the American Optometric Association, the Virginia Optometric Association, the American Academy of Orthokeratology and Myopia Control, and was a past clinical examiner for the National Board of Examiners in Optometry.

As a founding partner of Associates in Eyecare, Dr. Vu-Gia is proud to have pursued his dream of building a practice with a tradition of excellence in eye care. Patients enjoy his outgoing personality and caring attitude. Dr. Vu-Gia is dedicated to providing years of family eye care with the highest standards of professionalism and optometric service to his patients. He practices in Oakton, and is accepting new patients.


Nicole_2-683x1024Nicole Teser, O.D.

Dr. Nicole Teser has practiced primary care optometry in Northern Virginia since 2004. After working for 11 years in a large ophthalmology practice, she decided to pursue her vision of pairing excellent care with the latest in fashion eyewear. Growing up in Maryland, Dr. Teser graduated Suma Cum Laude from Salisbury University in 1999. In 2003, Dr. Teser completed optometry school at the Pennsylvania College of Optometry in Philadelphia. Upon graduation, she was selected for a yearlong residency with an emphasis in the diagnosis and management of ocular disease.

Dr. Teser has extensive knowledge and experience with LASIK and cataract surgery co-management, glaucoma, Keratoconus, contact lenses, diseases from the cornea to the retina, and emergency eye care. She has a special interest in the treatment and management of Dry Eye Disease, of which she has much experience managing. She is also Orthokeratology Certified by the manufacturers of several orthokeratology lens designers, a non surgical alternative to refractive surgery. Dr. Teser has participated as a sub-investigator in several clinical studies focused on dry eye disease, ocular infection, LASIK, and corneal implants. As an active member of the American Optometric Association and Virginia Optometric Association, Dr. Teser has served on the Board of Trustees of the Northern Virginia Optometric Society since 2009. Currently, she serves as their Treasurer. Dr. Teser is proud to be an active military member serving as a Captain in the United States Air Force Reserves. She has participated and continues to support medical missions to those in need of eye care including VOSH and Tropic Care.

Dr. Teser resides in Falls Church with her husband and dogs. They enjoy traveling, skiing, hiking, watersports, obstacle races, and physical fitness. Dr. Teser believes in each and every one of her patients feeling and looking their best. She is excited to help her patients achieve this goal.


Tiffany Dunbar Lione, O.D.

Dr. Tiffany Lione, a longtime resident of northern Virginia, has been practicing optometry since 1998 in both private practice and refractive surgery. She is a member of the American Optometric Association and Northern Virginia Optometric Association. Additionally, Dr. Lione serves as a clinical examiner for the National Board of Optometry.

Dr. Lione graduated in the top of her class at Virginia Tech in biology/premed. She then studied at the Pennsylvania College of Optometry, where she received her Doctorate of Optometry. Dr. Lione then entered a challenging residency program in Northeast Philadelphia where she worked with top ophthalmologists in the fields of primary care, refractive surgery, corneal and retinal disease, and emergency eye care. She is also Orthokeratology Certified by the manufacturers of several orthokeratology lens designers, a non surgical alternative to refractive surgery and a member of the American Academy of Orthokeratology and Myopia Control

Dr. Lione is a founding partner of Associates in Eyecare and practices regularly in Stone Ridge, Virginia. She currently lives in Northern Virginia, with her husband, their two children, and the family dog.


Paul Colbourne, O.D.

Dr. Paul Colbourne, a graduate of George Mason University, received his Doctor of Optometry from the Pennsylvania College of Optometry, with clinical honors. He possesses extensive experience in complete family eye care, contact lens fitting, especially hard to fit custom lenses, treatment and management of ocular disease, and surgical co-management (including Laser Vision Correction).

Dr. Colbourne is a member of the American Optometric Association, Virginia Optometric Association, The Northern Virginia Optometric Society, and the American Academy of Orthokeratology & Myopia Control. He is Orthokeratology Certified by the manufacturers of several orthokeratology lens designers, a non surgical alternative to refractive surgery. Dr. Colbourne’s passion is integrating the latest technology into the practice, from electronic paperless records to the latest digital lens technology.

Dr. Colbourne is a partner at Associates In Eyecare and practices in Bristow. When he is not with his family, Dr. Colbourne can be found rock climbing or playing the guitar.


Stacy Jaffe, O.D.

Dr. Stacy Jaffe was born and raised in Kankakee, Illinois. She attended Eastern Illinois University where she earned a Bachelor of Science in Chemistry. After working for a year as a chemical analyst for a pharmaceutical company, Dr. Jaffe decided to pursue her lifelong dream of becoming an optometrist. She attended the Pennsylvania College of Optometry at Salus University where she earned her Doctor of Optometry degree. While at Salus University, Dr. Jaffe was an active member of the Student Optometric Services to Humanity, traveling to Haiti to provide optometric exams to those in need.

Soon after graduating, Dr. Jaffe moved to Washington, DC, where she currently resides. She has extensive training in primary care with a particular interest in ocular disease and specialty contact lenses. Dr. Jaffe is also Orthokeratology Certified by the manufacturers of several orthokeratology lens designers, a non surgical alternative to refractive surgery. She is a member of the American Optometric Association and the Virginia Optometric Association.

Dr. Jaffe practices in the Oakton and Stone Ridge offices and is accepting new patients. In her spare time, Dr. Jaffe enjoys traveling, hiking, and spending time with her husband.


Shea Christensen, O.D.

Dr. Shea Christensen is a Midwest native. She grew up in Nebraska, where she attended the University of Nebraska-Kearney and earned her Bachelor of Science in Biology with a minor in Family Studies. At a very early age, Dr. Christensen knew she wanted to be an optometrist and pursued her dream by attending the Pacific University College of Optometry in Oregon, where she earned her Doctor of Optometry.

Dr. Christensen completed internships at Hickam Air Force Base in Honolulu, The Mayo Clinic in Minnesota, and Spivack Vision and Laser Center in Denver, Colorado. She is highly experienced in primary eye care, diagnosis and treatment of ocular diseases, well trained in Lasik and Cataract surgery management and is also Orthokeratology certified, a non-surgical alternative to refractive surgery.

Dr. Christensen has worked in Colorado, Ohio, and Florida before moving to Northern Virginia following her husband who is serving our country with the United States Air Force. In her spare time, Dr. Christensen cheers on the Nebraska Huskers, reads, practices yoga, and enjoys outdoor activities with her husband and two small girls. She is currently accepting patients in the Stone Ridge office.


Bryan Lewis, O.D.

Dr. Bryan Lewis graduated high school in Ashburn, Virginia, and then attended Brigham Young University for his bachelors degree. Dr. Lewis went to The Ohio State University where he earned his Doctorate of Optometry.

While in school, Dr. Lewis was actively involved with Student Council and also worked at Havener Eye Institute in Columbus, Ohio. It was there that he developed a special interest in the Neuro-ophthalmology and Oculoplastics departments. Dr. Lewis is Orthokeratology Certified by the manufacturers of several Orthokeratology lens designers, a non surgical alternative to refractive surgery.

Dr. Lewis currently resides in Bristow, VA with his wife and two children.