Catherine Heyman, O.D.
Catherine Heyman, O.D., received her Doctor of Optometry degree in 1993 from the Southern California College of Optometry after earning her BS degree in Biology from San Diego State University. She then completed a residency in Pediatric Optometry and Vision Therapy at the Southern California College of Optometry in 1994.

She is a fellow and a Diplomate in the Binocular Vision and Vision Perception Section of the American Academy of Optometry as well as a fellow of the College of Optometrists in Vision Development.

Dr. Heyman has over 20 years of experience in Optometry. She has a special interest in children's vision and vision development. She has lived in the Yorba Linda Community for 13 years and is active in many community organizations including, National Charity League, Girl Scouts and PTSA

In addition to her ownership of Old Towne Optometry, Dr. Heyman is an Associate Professor at the Southern California College of Optometry. She is the Coordinator of the Vision Program at the Blind Children's Learning Center in Santa Ana and coordinates the Special Population/ Pediatric Visual Impairment Service at the Southern California College of Optometry.


Alex Elson, O.D.
Dr. Elson is an Orange County native, growing up in Mission Viejo. He completed his undergraduate education at California State University Chico and completed his graduate school training at Southern California College of Optometry (SCCO), graduating with honors from both. During his time at SCCO, Dr. Elson developed a passion for managing diseases of the cornea and anterior segment, excelling in the fitting of corneal and scleral rigid gas permeable lenses. This passion was deepened during his clinical rotations throughout California, including the Optometric Center of Los Angeles, the Veterans Hospital in West Los Angeles, University Eye Center, and medical eye care with Dr. William Downey in Northern California.

Outside the realm of academia, Dr. Elson has been very active with the California Optometric Association, and co-founded the California Optometric Student Section during his time at SCCO. He finished his Presidency of the Orange County Optometric Society in 2019 and continues to serve on the society board.

He also has remained involved in post-collegiate lacrosse, playing for the Newport Beach Men's Lacrosse Club, and acting as Defensive Coordinator for the CSU Fullerton Men's Lacrosse team during his clinical training at SCCO.
In 2019, Dr. Elson was honored by being inducted to the Chico State Lacrosse Hall of Fame. Outside of optometry and lacrosse, Dr. Elson enjoys being outdoors with his wife Taylor, and his dog Naya. His favorite things to do include hiking, camping, backpacking, rock climbing, and hanging in the water, whether it's a river, lake, or ocean.


Karen Toki , O.D.
Dr. Karen Tokio has been caring for patients in Orange County for more than 20 years. Her passion is addressing the unique needs of every patient. Dr. Toki is licensed to manage and treat eye conditions such as dry eye, glaucoma and infections. She provides preoperative and postoperative care for cataracts as well as refractive eye surgeries such as LASIK and PRK.

After graduating Cum laude from UCLA, Dr Toki received her Doctor of Optometry at Southern California College of Optometry (SCCO). At SCCO she received the George I. Deane Jr. O.D. Memorial Leadership Award, the Geraldine J. Sherman Memorial Scholarship Award and the Dr. Art Sugino Memorial Award.

She was a featured speaker at the "Women in Science and Mathematics" conference sponsored by UCI and the Association of University women.

She was recognized by Who's Who Among Students in American Universities and Colleges. Born and raised in California, she has lived in the Santa Clara, Monterey Park, and Torrance before settling in Irvine to raise her family. Dr. Toki's husband, Brad Wakayama, is a local educator and volunteer coach. They both volunteered at their sons' schools and athletic teams.
While the boys were in elementary school Dr. Toki served as room mom, library volunteer and fundraiser coordinator. The Toki- Wakayama family enjoyed participating in community service with the Orange Coast Optimist. Volunteering as team parent, editing the media guide, running the snack bar, and being a team photographer for Northwood High School has been a incredible experience as Dr. Toki met dedicated coaches, wonderful parents, exceptional scholars, and disciplined athletes. Her oldest son, Kyle, is teaching math in Orange County after graduating from CSUF and completing his teaching credential from Concordia University.

Her youngest son, Kevin, is completing his civil engineering degree at CSULB. Dr. Toki enjoys hiking, visiting museums, attending musicals, reading and visiting family in Hawaii. She misses her long time walking companion, Cami, a poodle mix.

Our staff and opticians are thoroughly trained and knowledgeable in all aspects of the optical field, including selecting frames that best suit the patient's face and style, recommending the appropriate lens and lens options, repairing eye glasses and sunglasses, and fabricating spectacles in plastic, metal, and rimless frames and all aspects of the fitting of contact lenses.

8:00 - 7:00
9:00 - 6:00
10:00 - 2:00
9:00 - 6:00
8:00 - 5:00
18291 Imperial Hwy.,
Yorba Linda, CA 92886
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(714) 777-1770
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Old Towne Optometry 18291 Imperial Hwy. Yorba Linda, CA 92886 Phone: (714) 777-1770 Fax: (714) 777-1292

Old Towne Optometry is proud to serve Yorba Linda CA and the surrounding areas of Brea, Placentia, Fullerton, Anaheim, Atwood, Chino Hills, Villa Park, Orange, Diamond Bar, Chino, Rowland Heights, La Habra and Corona

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