Mission Optometric Center & San Juan Optometry


Leslie is our medical insurance biller. She keeps the back office going behind the scenes. She is married and has two adult daughters. In her spare time she enjoys gardening, cooking, outdoor activities, movies and spending time with family and friends.

We offer personal patient care, high-quality frames and lenses.

About Mission Optometric Center

Dr. Nina Dao

Dr. Dao has been in private practice since 2001. She has had extensive training and experience in the treatment and management of eye diseases and contact lenses. At San Juan Optometry, she provides personalized, comprehensive vision care, in addition to providing contact lenses and laser vision co-management. She specializes in difficult contact lens fittings.

The doctors at Mission Optometric Center have been providing eye care and vision needs for the city of San Juan Capistrano and the surrounding beach cities for over 20 years. In June 2015, San Juan Optometry joined with Mission Optometric Center.  This partnership will allow us to provide you with the best quality eyecare.  

Dr. Onishi, Dr. Kikumoto, Dr. N. Dao, and 

Dr. S. Dao are all board certified doctors in the treatment and management of ocular diseases.


Amayrani has been with the practice for almost 2 years. She helps with pretesting patients and back office preparation.

In her spare time, she enjoys arts and crafts and has a passion for reading.



​​Lili assists in pre-testing our patients and making appointments.  The best part of her job is working with patients.  On her free time, Lili goes to college and loves to spend time with her family.

Dr. Joseph Kikumoto: Appointments: 949.443.3794

Our Staff


Jovanna has been a licensed optician for over 10 years and has been a part of the Mission Optometric Center for 3 years. She loves helping patients. Jovanna grew up in Orange County and is very involved in her kids football league.

Our Doctors

Dr. Steve Dao

Dr. Dao has a vast experience in managing eye care.  He has been in practice since 1999. Dr. Dao is a glaucoma certified optometrist, handles urgent eye care and manages ocular diseases. 

His current hobbies include cycling and traveling.

Comprehensive Eye Health Care

31401 Rancho Viejo Road Suite 103

San Juan Capistrano, CA 92675​​

Dr. Ryan Onishi: Appointments: 949.496.0552

Dr. Onishi was born and raised in Southern California and resides in South Orange County with his wife and two daughters.  His education includes a Bachelor of Science degree from the University of California Irvine and a Doctorate of Optometry from the Southern California College of Optometry in Fullerton, CA.  

Dr. Onishi has been practicing in San Juan Capistrano since 2000 and is glaucoma certified and licensed to treat and manage ocular disease.  He enjoys working with patients of all ages (from infants to seniors) as well as the challenge of difficult toric and multifocal contact lens fits.

His hobbies include spending time with his family, pickleball and longboarding at San Onofre Surf Beach.