2419 E. Valley Parkway, Escondido, CA 92027

Appointments: (760) 738-9931

Insight Vision Optometry

Professional Eye Care Services
Optometrist in Escondido


Come in for a comprehensive eye exam!

About Us

Why Choose Us?


Welcome to our office! We value the opportunity to earn your trust and business.   As a patient at our office, your concerns will be addressed personally at your visit.  We will help you make the best possible decision for your treatment plan and optical needs. At Insight Vision Optometry, personalized quality care and patient satisfaction is our number one goal.    

Meet The Doctor


Dr. Terilyn Thach attended high school in Northern California and continued her education at the University of California, Davis. She graduated with high honors with a Bachelor of Science in Physiology. She received her degree in Doctor of Optometry from the University of California Berkeley School of Optometry and has worked in private practice and at Kaiser Permanente. Dr. Thach is your trusted Optometrist in Escondido.

Insight Vision Optometry Offers


  • Personalized, full-service eye care which includes medical eye visits and routine exams.
  • High-quality, state of the art lenses and treatments.
  • A wide selection of designer eye wear and the latest technology from contact lenses.
  • Lasik Co-Management with local, well-known surgeons
  • We offer affordable ​pricing for uninsured patients and students. 
  • We accept most vision insurance plans.

Our Services


 Our goal is to provide you with the best eye care service possible. Any eye care needs you might have from medical eye conditions, eyeglasses to contact lenses or any questions about your vision, we are here to help you.   



 We offer a wide selection of frames and contact lenses, both clear and colored. Most contact lens presription s are available in stock for easy pick up!



Need assistance with your eye care decisions? Let us help! Insight Vision Optometry is here for the community, and your eye health is our number one concern.  

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Insight Vision Optometry

2419 E. Valley Parkway, Escondido, CA 92027

(760) 738-9931


Monday, Tuesday, Friday:    9:00am - 5:30pm

Thursday: 10:00 am - 6:30 pm

Saturday: By Appointment Only

Wednesday/Sunday: Closed