Eyecare Services

examAt Crystal Vision Optometry, Dr. Tiffany Truong and our entire Fremont optometry team are committed to providing advanced vision care in a professional and comfortable environment. As an optometrist in Fremont, our primary eye care service includes a complete eye exam that analyzes eye health and vision function. In addition to eye exams and vision testing, Dr. Truong and our team of optometry professionals provide testing for glaucoma, cataracts and macular degeneration. Our Fremont optometrist also offers glasses, contact lenses, and pre- and post-operative care.


1. Comprehensive Eye Examinations: refraction and health exam of ocular diseases such as glaucoma, cataracts, and age related macular degeneration.

2. Ortho-Keratology: Ortho-k is a non-surgical process which reshapes (flattens) the cornea of the eye using contact lenses to reduce refractive errors (nearsightedness and astigmatism).

3. Contact Lens Evaluation: Dr. Truong can fit patients requiring multifocal lenses for presbyopia, toric lenses for astigmatism, RGP lenses for high myopia, and more.

4. Frames: We have a wide variety of frames available for everyone. Below is a list of frames available in our boutique:

5. Lenses: Progressive (no-line bifocal), Bifocal, Single Vision, and Computer lenses

Facilities and Equipment

When you come in to the office for a comprehensive eye exam, our initial diagnostic specialist will perform 4 tests prior to your examination. They are:

1. Auto-refractor: Get a general prescription of your vision give the doctor a starting point for your exam. Keratometry: Measure the shape of your cornea using the same instrument.

2. Non-contact tonometer: Measures the intraocular pressure This instrument is one of 3 diagnostic tools used annually to determine if a patient is at risk for glaucoma.

3. Visual Field: Measures your peripheral vision and is the of 3 diagnostic tools best used annually to determine if you are at risk of glaucoma. This instrument is one of the most sophisticated Visual Field instruments available in the field of optometry. It is equipped with Frequency Doubling Technology that can better detect nerve damage compared to the older versions.

EyeGlass Guide

EyeGlass Guide will help you better understand the many lens choices available to you. This on-line tool will guide you through a series of questions about you, your lifestyle and your specific eyewear needs. At the end, you'll receive eyewear suggestions specifically tailored to meet your needs. EyeGlass Guide is brought to you by Transitions.

Try out the EyeGlass Guide here!

Photochromic Demonstrations

View an instant demonstration of Transitions photochromic technology. See how lenses darken and fade back to clear to provide continual visual comfort and protection. Demonstrations brought to you by Transitions

Try out the Interactive Demonstration of Transitions lenses here!

Contact Us

We look forward to hearing from you.

Location & Hours


We are located EAST just off of the 880 Freeway in the same plaza as Chaat Bhavan/Starbucks.

Hours of Operation

Our Regular Schedule

Crystal Vision Optometry


9:30 am-6:00 pm


9:30 am-6:00 pm


9:30 am-6:00 pm


9:30 am-6:00 pm


9:30 am-6:00 pm


9:00 am-1:00 pm

by appointment only