DELTA VISTA OPTOMETRY - Key Persons


Dr. Ashley Darnell

Job Titles:
  • Optometrist in California
Dr. Ashley Darnell is a licensed optometrist in California and certified in the treatment and management of ocular diseases. Originally from Florida, she earned a bachelor of science in Molecular Biology and Microbiology from the University of Central Florida. After graduation, Dr. Darnell attended the Pennsylvania College of Optometry where she graduated with clinical honors. She is trained in primary care optometry, contact lenses, and vision rehabilitation. Dr. Darnell completed her clinical rotations at The Eye Institute of the Pennsylvania College of Optometry, the Salem Veteran Affairs hospital in Virginia, and NVISION Laser Eye Centers in San Diego. Dr. Darnell also received specialty training in pediatric and infant optometry, binocular vision, traumatic brain injury recovery, and vision therapy. After seeing the benefits of vision therapy on people of all ages Dr. Darnell joined the College of Optometrists in Vision Development. With experience performing vision therapy she has helped patients with learning difficulties, strabismus/amblyopia ("Lazy eyes"), and other visual disorders achieve clear, comfortable vision. If your child is experiencing learning difficulties in school we can schedule an eye exam targeted for their individual needs. Our office is prepared to give them the necessary skills to improve vision and learning.

Dr. Carol Buchanan

Dr. Carol Buchanan graduated from the University of California Berkeley School of Optometry. She diagnoses and treats many eye medical conditions including glaucoma, dry eye conditions, eye infections, and allergy conditions. Along with general eye examinations and contact lens services she also fits specialty contact lenses for irregular corneas resulting from keratoconus and other corneal conditions. Dr. Buchanan has been a Fellow of the American Academy of Optometry for over 20 years. In order to become a Fellow, the doctor is required to submit clinical case reports for review and successfully pass the oral examination administered by an American Academy of Optometry panel. Dr. Buchanan is also a long-term member of American Optometric Association, California Optometric Association, and the Alameda-Contra Costa Optometry Association. Dr. Buchanan is a former president of the local Soroptimist club and is active in her local church. She has volunteered her services in free eye clinics for indigent people in Mexico and in Fiji. In her spare time, Dr. Buchanan enjoys spending time with her husband, two adult children, and Sparky, her spunky lovebird.

Dr. Scott Sakata

Job Titles:
  • Optometrist in California
Dr. Scott Sakata is a licensed optometrist in California and certified in the treatment and management of ocular diseases. Originally from the Bay Area, he earned a bachelor of science in Exercise Biology at UCDavis. After graduation, Dr. Sakata attended the Pennsylvania College of Optometry in Philadelphia. He is trained in primary care optometry and contact lenses. Dr. Sakata completed his clinical rotations at The Eye Institute of the Pennsylvania College of Optometry, Silicon Valley Eye Associates, San Jose VA Hospital, Fenway Health in Boston and NVISION Laser Eye Centers in San Diego. Dr. Sakata has experience in fitting soft, scleral and RGP contact lenses. He enjoys fitting soft contact lenses including daily multifocal lenses. In his spare time, Dr. Sakata plays basketball, snowboards and enjoys mountain biking. He is also an avid Warriors, 49ers and USA soccer fan.