Our Doctors

Dr. Steven Sage Hider, OD
Optometrist and Owner-Partner

Originally from Merced, California, Dr. Steven Sage Hider obtained his Bachelor’s Degree in Biology from UC Irvine. After completing his Doctorate of Optometry at UC Berkeley, he joined Primary Eyecare Center in 1994 emphasizing family vision care, contact lenses and disease management.

In 2009, Dr. Hider received the “Top 20 Under 40” award from the San Luis Obispo Tribune being recognized for his community and professional involvement. He is a past president of the Kiwanis Club of Atascadero and has chaired the local Toys for Tots program for the past 15 years. Dr. Hider is active in professional organizations being a past president of the Tri-County Optometric Society and past president of the California Optometric Association. Dr. Hider lives in Atascadero with his wife, Nicole, and his two sons, Joey and Greg. Dr. Hider enjoys hiking and camping with his sons’ Boys Scout Troop, skiing and working on his 1965 Ford Mustang.

Dr. Quyen T. Immoos, OD
Optometrist and Owner-Partner
Dr. Quyen Immoos grew up in Southern California and joined the practice in 2004. She received her Bachelor’s Degree in Biochemistry from Occidental College, then attended UC Berkeley where she obtained her Optometry Doctorate in 2002. Her clinical studies included internships at the Livermore VA Hospital, Seymore Johnson Air Force Base in North Carolina, and the Sequoia Eye Surgery Center in Tulare.

Dr. Immoos enjoys the sense of community that living on the central coast provides. While her three daughters keep her and her husband very busy, Dr. Immoos is a frequent volunteer at her daughters’ school and a past member of Quota SLO and Rotary of Atascadero. In her free time, Dr. Immoos just enjoys being Mom.

Dr. Lauren R. Tackett, OD
Optometrist and Owner-Partner
Dr. Lauren Tackett was born and raised in San Francisco, California. Her husband is a native of the Central Coast, which is what brought her to the area. She obtained her undergraduate degree in Biology from UC Davis where she was awarded a UC Regent Scholarship for academic excellence. Dr. Tackett received her Doctorate of Optometry from UC Berkeley. She joined the practice in 2008 after completing a one-year optometric residency program at the San Francisco VA Hospital. During her residency, she honed her skills in ocular disease and low vision rehabilitation.

Dr. Tackett is a past president of the Tri-County Optometric Society. Her focus as an administrator in the practice is staff development and management. Dr. Tackett strives to create an environment of respect, appreciation and compassion towards patients and just as importantly, reciprocity, recognition and strong teamwork among the staff and doctors. She is a former competitive gymnast and enjoys swing and salsa dance. She has fun exploring local attractions with her daughter, husband and labrador on the weekends.

Dr. Jocelyn Ou, OD
Optometrist – Associate
Dr. Jocelyn Ou was born and raised in the Bay Area, and graduated from UC San Diego with a major in Physiology and Neuroscience and a minor in Psychology. She then moved to New York City to earn her Doctorate of Optometry in 2018 at the State University of New York College of Optometry, graduating with awards recognizing her excellent academic performance and passion for optometry. She then pursued an extra year of residency education at the Southern California College of Optometry, where she trained extensively in the medical and optical management of diseased corneas. She is well-versed in optimizing vision in patients with irregular corneas through the use of specialty contact lenses. She moved to San Luis Obispo and joined Primary Eyecare Center in 2019.

Dr. Ou is passionate about all aspects of optometry, but especially enjoys the everyday interactions and conversations with her patients. In her free time, she enjoys baking, staying active with CrossFit, hiking, relaxing at the beach, and exploring new coffee shops and restaurants.

Dr. Charles L. Tribbey, OD
Optometrist – Associate
Dr. Charles Tribbey joined Primary Eyecare Center in 2011 and retired in 2017, but continues to work on a fill-in basis. Dr. Tribbey has been involved in the community with Lion’s Club, Leadership Danville and ECOSLO. He also served on the San Luis Obispo County Health Commission. Dr. Tribbey and his wife Kathryn, who is a nurse practitioner, travel with I Care International to Mexico and Central America where they provide eyecare services to impoverished communities.
Dr. Elaine L. Cormier, OD
Dr. Cormier retired at the end of 2009 after more than 20 years of service to Primary Eyecare Center and the practice of Optometry. She still lives in San Luis Obispo and is very much enjoying her retirement with her husband Richard.
Dr. Robert Y. Cheung, OD
Dr. Robert Cheung was the founding partner of Primary Eyecare Center. He began to practice in San Luis Obispo in 1975 and retired in 2004. Dr. Cheung and his wife Klara now enjoy retirement in the bay area where much of their family lives.