Optical Illusions
AN OPTOMETRIC PRACTICE
The difference between seeing...and being seen


Schedule an Exam

Select a doctor's name below to schedule an exam at either of our locations. If you would like to schedule
an appointment with Dr. William Steiner or Dr. William To, please call the office.
Optical Illusions of San Mateo

Dr. Peggy Zhu
Dr. Katalina Yandell

194 Hillsdale Shopping Center
San Mateo, CA 94403
T: (650) 341-8080
F: (650) 341-8565
OISanMateo@gmail.com

Optical Illusions of San Jose

Dr. Michael Gatschet
Dr. Katalina Yandell

378 Santana Row, Ste 1025
San Jose, CA 95128
T: (408) 261-1010
F: (408) 261-1080
OISanJose@gmail.com




Open evenings and weekends, 7 days a week! Schedule an exam today!
Optical Illusions of San Mateo
194 Hillsdale Shopping Center
San Mateo, CA 94403
T: (650) 341-8080
F: (650) 341-8565
OISanMateo@gmail.com

Mon-Sat 10am-9pm
Sun 11am-7pm

Optical Illusions of San Jose
378 Santana Row, Suite 1025
San Jose, CA 95128
T: (408) 261-1010
F: (408) 261-1080
OISanJose@gmail.com

Mon-Fri 10am-8pm
Sat 10am-7pm, Sun 11am-6pm