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21 Years
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Emergency
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Your Trusted Optometrist in Katy, TX
Ocular Oasis has proudly served the Katy area since November 2005, delivering comprehensive eye care for families. Our practice combines advanced diagnostic technology like Optomap retinal imaging and OCT scans with personalized patient service. Dr. Hoa T. Nguyen, a Board Certified Therapeutic Optometrist, leads our team in providing routine vision exams, specialty contact lens fittings, and early detection of eye diseases. We maintain extended office hours and utilize non-invasive tools like the Icare tonometer to ensure patient comfort. Our commitment to quality care is reflected in our state-of-the-art equipment and focus on patient education.

We accept major insurance plans and offer convenient payment options to support accessible eye health. Our team prioritizes building long-term relationships through attentive service and clear communication. Located in Katy's Cinco Ranch area, we serve patients from initial consultation through ongoing vision management. Our expertise spans routine exams to managing chronic conditions like glaucoma and diabetic retinopathy. By staying current with optometric advancements, we ensure our patients receive the most effective diagnostic and treatment options available.
Services
Comprehensive Eye Exams Contact Lens Fitting Glaucoma Screening Retinal Imaging Emergency Eye Care
Details
  • Year established: 2005
Highlights and features
  • Serving Katy since 2005 with consistent quality care
  • Advanced diagnostics using Optomap and OCT technology
  • Extended hours for patient convenience
  • Specialized contact lens fittings for complex needs
  • Accepts 30+ vision and medical insurance plans
Associations and certifications
  • Board Certified Therapeutic Optometrist
  • Optometric Glaucoma Specialist
  • Harris County Optometric Association
  • Texas Optometric Association
  • American Optometric Association
Services
Comprehensive Eye Exams
Our thorough eye exams use advanced technology to assess vision health and detect potential issues. We evaluate visual acuity, eye coordination, and intraocular pressure while checking for common eye diseases. Patients receive personalized recommendations for corrective lenses or treatment plans based on their specific needs.
Contact Lens Fitting
We specialize in fitting specialty contact lenses for complex vision needs including astigmatism, bifocals, and gas permeable options. Our process includes precise measurements and trial fittings to ensure optimal comfort and vision correction. Patients receive detailed instructions for proper lens care and handling.
Retinal Imaging
Our Optomap technology captures detailed retinal images without dilation, detecting conditions like diabetes and macular degeneration. This non-invasive screening documents eye health for future comparisons and early disease detection. The imaging process takes seconds with no side effects for patient comfort.
Glaucoma Screening
We use the Icare tonometer for accurate intraocular pressure measurement without air puffs or drops. This essential screening helps detect glaucoma in early stages when treatment is most effective. Results inform personalized monitoring or intervention plans to preserve vision health.
Emergency Eye Care
Our practice handles ocular emergencies including infections, foreign body removal, and sudden vision changes. We provide prompt evaluation and treatment for conditions requiring immediate attention. Patients receive clear guidance on post-treatment care and follow-up requirements.
People
Dr. Hoa T. Nguyen
Optometrist
Board Certified Therapeutic Optometrist with 20+ years experience, specializing in glaucoma treatment and contact lens fittings. Graduated Summa Cum Laude from University of Houston College of Optometry. Active member of multiple professional associations including American Optometric Association.
Valerie
Radiologic Technologist
Certified Limited Radiologic Technologist with 14 years experience at Ocular Oasis. Fluent in Spanish, specializing in patient imaging and diagnostic support. Builds strong patient relationships through personalized care and attention to individual needs.
Amber Davis
Patient Care Specialist
Dedicated patient care professional with 3 years experience assisting with exams and vision testing. Passionate about helping patients achieve optimal eye health through compassionate service and clear communication about treatment options.
Gabriela Sims-Padron
Optometric Assistant
Recent biology graduate preparing for optometry entrance exams. Provides front-line patient support while gaining hands-on experience in comprehensive eye care procedures and patient education techniques.
Gloria Gomez
Patient Services
Joined Ocular Oasis in 2022, bringing warm-hearted care to patient interactions. Focuses on creating welcoming experiences while supporting clinical operations. Prioritizes patient comfort and clear communication about appointment processes.
Questions
What insurance plans do you accept?
We accept 30+ vision and medical plans including VSP, Spectera, Blue Cross Blue Shield, Aetna, and Cigna. Contact our office for specific verification.
Do you offer emergency eye care?
Yes, we treat ocular emergencies like infections, foreign body removal, and sudden vision changes during regular business hours.
What technology do you use for exams?
We use Optomap retinal imaging, OCT scans, and Icare tonometry for non-invasive, accurate diagnostics without eye drops.
Reviews (4)
Dalton W.
Feb 12, 2020 Report
Best optometrist in Katy! Thorough, organized and attentive to all my needs. Worked around all my eye issues and was patient the whole way through. Everyone was pleasant toward me from when I walked to when I left. I highly recommend coming here because I couldn't be happier!
Alminaz N.
Feb 23, 2019 Report
Dr. Nguyen is an awesome optometrist and her staff is equally amazing. I had an issue and needed to get my eyes checked and they squeezed me in for an urgent appointment. After the eye medication was not covered by insurance - the doctors office called in the Pharmacy for an alternate and then followed up with me. They also worked in getting me an appointment with a specialist coordinating everything- Rarely do you see this kind of service. The doctor is super patient, knowledgeable and explains everything in detail. All her equipment is top of the line as well! This office is a hidden gem in katy
Warren P.
Dec 29, 2018 Report
Fantastic service all around! I needed an optical exam and didn't have an appointment. Even on such short notice Dr. Nguyen and her wonderful reception staff helped fit me into her schedule and get my exam.

Dr. Nguyen is very thorough and takes the time to comprehensively answer questions. Highly recommend!
Tom F.
Dec 06, 2018 Report
Dr. Nguyen helped me through my Lasik process a few years ago and my vision has been perfect ever since. I had such a great experience from her through the whole Lasik process that I converted to her practice for all my optometry needs. Staff is always helpful and friendly, and each vision check up is a breeze.