TheraLens® vs. Standard Prism Glasses

What’s the Difference?

Maybe you’ve heard of prism glasses, or maybe you’ve even tried them. If they didn’t work well for you, that’s not unusual — and it doesn’t mean prism can’t help. It often means the lenses weren’t precise enough or didn’t have the right amount of prism for your specific needs. TheraLens is a fundamentally different approach.

Side-by-side: how they compare

It’s a treatment system, not just a lens

With standard prism glasses, you get one prescription, and that’s it. With TheraLens, your specialist starts with a comprehensive evaluation, prescribes a first pair, and monitors how your eyes respond over the coming weeks. Then they fine-tune your prescription at a follow-up visit so your microprism lenses reach their full therapeutic potential — not just partial relief.

This two-step approach gives your visual system time to relax and adapt before dialing in the final correction. Most standard prism prescriptions skip this step entirely — which is why results often fall short.

What makes these lenses different

Beyond the treatment process, TheraLens microprism lenses are optically different from standard prism glasses:

• No edge distortion. Standard prism lenses can create a “fish-eye” effect, especially at the edges. TheraLens keeps your prism correction stable and distortion-free across the entire lens.

• Sharp vision everywhere. Adding prism to a standard lens often sacrifices clarity in your peripheral vision. TheraLens optimizes sharpness across the entire lens.

• Precision you can feel. TheraLens is manufactured to more than double the industry requirement. That extra precision matters when the corrections are this small. Most lens makers don’t achieve this level of accuracy.
  
  

“TheraLens® is the first lens designed specifically for microprism treatment with our BVD patients in mind.”

— Dr. Debby Feinberg, Founder of NeuroVisual Medicine & Advisor for TheraLens®