Freeform Digital Lenses

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Not Lenses Are Created Equal

In the modern age, our visual demands are constantly changing and being challenged. At Optical Illusions, we believe in using only Freeform Digital Lenses, the gold standard for optical excellence, as the best lenses available to meet your visual needs.

Unlike traditionally made lenses, Freeform digital lenses utilize advanced digital surfacing technology to precisely map and correct vision imperfections, providing wearers with an unparalleled visual experience. These lenses offer a wider field of view, reduced distortion, and enhanced clarity at all distances. The personalized design caters to individual prescriptions, ensuring a seamless transition between near and far distances. Say goodbye to the limitations of traditional lenses and embrace the superior visual acuity and comfort offered by Freeform lenses. Elevate your eyewear experience with cutting-edge technology that brings precision and clarity into focus.

Depending on your prescription, your lifestyle, and your visual needs, our expert opticians will help you choose the best lenses for you. We utilize digital lenses made from Essilor, Shamir, and Zeiss. We use the best lenses because your eyes deserve the best.

Compensated Rx Lenses with Position of Wear

Using Freeform Digital Lenses allows our expert opticians to take into account Position of Wear, the discrepancy between how your glasses are positioned on your face compared to the lenses used to test your vision in the exam room.

In determining measurements such as lens tilt and centration errors induced by these fitting differences, the lens optimization software will deliver a recalculated prescription that compensates for this. The prescription values created are referred to as a Compensated Rx. 

Pupillary Distance

One of the most common, but important measurements needed to make prescription lenses and determine where the optical center of a lens is relative to the geometric center. We use a digital pupillometer to measure the distance between corneal reflexes in 0.5mm increments and obtain a monocular digital readout of the value obtained.

The fitting height or segment height measurement, along with the pupillary distance measurement, determine where the optical center of a lens which can be different from the geometric center. Head posture matters significantly and this measurement may need to be taken multiple times in sitting and standing positions.

Pantoscopic tilt refers to the angle at which eyeglass lenses are tilted downward from the vertical plane towards the cheeks. This tilt is crucial in optimizing the visual performance of lenses, reducing reflections, and ensuring that the lenses align properly with the wearer’s eyes.

Vertex distance is the space between the back surface of the eyeglass lenses and the wearer’s eyes. It is a critical parameter to consider, as changes in vertex distance can impact the effective power of the lenses. Proper adjustment of the vertex distance ensures that the prescription is accurately delivered to the eyes, optimizing visual clarity.

Face form angle refers to the angle formed by the eyeglass frame as it wraps around the wearer’s face. This angle is essential for ensuring that the lenses align correctly with the wearer’s eyes, minimizing distortion and optimizing visual acuity. Proper consideration of the face form angle contributes to the overall comfort and effectiveness of the eyeglasses.

The Laboratory

We couldn’t make your eyewear dreams come true without mastering the entire eye care process ourselves. Our in-house lab services mean that you will have your new custom glasses as soon as possible.

Having an on-site optical fabrication laboratory with an Optical Lens Edger has many benefits. For starters, it allows us to provide you with the genuinely exceptional craftsmanship you’ve come to expect from us. It also means we can make quicker adjustments and repairs as needed so that you can get back to your life as soon as possible.

Great Quality & Great Style Leads to Great Experience

We are proud of our carefully-curated collection, which includes a wide variety of exquisite brands, styles, and designs. From exclusive materials to leading innovations, our frame selection offers so much more than initially meets the eye.

Our Brands

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Crizal Lenses

Crizal unique coatings give you protection against harmful UV rays and act as a shield against scratches, glare, smudges, dust and water. When it comes to the future of your eyes, with Crizal, the choice is clear. Designed in France.

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The world leader in corrective lenses, Essilor, is present in more than 100 countries with a wide range of lenses to suit various lifestyle needs. Protect your eyesight with innovative lenses tailored to your prescription.

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Hoya provides a full range of proprietary lens materials, advanced designs for virtually every sight correction requirement, and superior scratch and anti-reflection coatings using Hoya's world-renowned Substrate Matching Properties™ processes.

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Our deep understanding and desire to address basic human pains and requirements is clearly reflected in our staggering selection of high-quality products and solutions.

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SunSync Light-Reactive lenses push vision solutions to another level with an all-in-one solution that considers your environment. Whether you’re on the go or in your home, SynSync adapts on the fly, darkening, and clearing to meet your visual and cosmetic needs.

SynSync lenses also feature an adaptive blue light defense that comes in handy throughout a busy workday!

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Techshield is a family of high-performance anti-glare coatings by VSP Vision Care designed to enhance both the visual performance and cosmetic appearance of your glasses. Designed for busy buyers on the go, Techshield prides itself on its simple system and easy to remember names, so you can get your glasses and get on with your day.

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Quickly adapt from indoor to outdoor lighting in seconds. Living in the moment means not having the time to switch frames when going from different locations. Designed in USA, Transitions® lenses continuously change based on lighting, so you’ll never have swap glasses or suffer from strain headaches again.

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VSP Unity

Unity features a comprehensive portfolio of progressive, task-oriented, and single vision lenses and contacts designed around the philosophy that exceptional vision should come without limitations.

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ZEISS provides a broad performance spectrum in each lens category to best serve individual consumer needs.  Individualized premium ZEISS freeform lenses provide the highest degree of customization in lens design and the optimal visual experience.

Our Locations

San Mateo

  • 194 Hillsdale Shopping Center
  • San Mateo, CA 94403

San Jose

  • 377 Santana Row, Suite #1115
  • San Jose, CA 95128

San Ramon

  • 6000 Bollinger Canyon Road, Suite #1104
  • San Ramon, CA 94583


  • 9309 Glacier Hwy, Suite A103
  • Juneau, AK 99801

Family Eye Exams

An eye exam is an essential part of preventive health care. At Optical Illusions: An Optometric Practice, we invest in industry-leading diagnostic technology that gives us an unprecedented view of your eye health and vision.

With this technology, we can provide truly personalized and comprehensive eye care to patients of all ages.

Access high-quality eye care from a team that genuinely cares.

Our Testimonials

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