Dr. Catherine Tuong
Independent Doctor of Optometry

Dr. Catherine Tuong
US 4200 E 4th St Ontario, CA 91764
Main Number
(909) 494-2342(909) 494-2342


Main Number
(909) 494-2342(909) 494-2342

insurance/discount plans


Services Offered

  • Contact Lens Examination
  • Contact Lens Fittings
  • Online Scheduling
  • Same Day Exams
  • Walk-in Exams

Insurance/Discount Plans

  • EyeMed
  • Humana
  • Aetna
  • and more; contact us today
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About Dr. Catherine Tuong

Languages Spoken


Dr. Catherine Tuong is the local eye doctor to see for all of your Optometry needs in Ontario, CA. From contact lens examinations to contact lens fittings to general eye care, Dr. Catherine Tuong will help diagnose, treat, and assess your overall health—and how it affects your eyes. Busy? We offer online, walk-in, and same day exams to fit your schedule. Dr. Catherine Tuong also accepts many insurance carriers and discount plans. Come visit our office at 4200 E 4th St and schedule an eye exam today!