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For individuals 14 years of age and older

For individuals 13 years of age and younger

What are prism glasses?

Treating Eye Misalignment and Binocular Vision Dysfunction (BVD)

When your eyes are misaligned, your eyes are sending two different images to the brain which it has trouble merging. When the brain receives conflicting information from each eye, it strains the eye muscles to try and correct the misalignment – this causes the symptoms of BVD. A small percentage of patients with BVD have diplopia (or double vision) but most patients do not see double, yet they suffer from symptoms like migraines, dizziness, car sickness, and light sensitivity.


What are prism lenses?

Prism lenses are used to align the two images being sent to your brain, ‘tricking’ the brain into thinking the eyes are correctly aligned and reducing eye muscle strain. These lenses compensate for eye misalignment by redirecting the light rays to make the two images align. Prism is ground into lenses of your glasses with your regular prescription and doesn’t look any different than a normal pair of glasses, but they can relieve significant BVD symptoms.


Prism is measured and prescribed in prism diopters. Prism also has a direction: horizontal, vertical, or oblique. Historically, prism was prescribed in whole unit diopters (ex: 1 or 2 diopters) but these large increments of prism left patients feeling sick. New clinical research by the NeuroVisual™ Medicine Institute has determined much smaller amounts of prism are key to resolving patients' subtle vision misalignment. Microprism is defined as prism lenses that are prescribed in fractional units of prism (ex: 0.25D, 0.75D, 1.25D, etc…).

What is it like to wear prism glasses?

Prism glasses have provided tens of thousands of patients with life-changing relief, and wearing prisms can feel different than glasses you might already wear. It can take several days to acclimate to your new prism glasses. When you first begin wearing prism glasses, your body will undergo a process of change we call Progressive Relaxation. Your BVD symptoms will start to subside, and the feeling might take some getting used to. After wearing your prisms for 2-4 weeks, your symptoms might return which tells us you are ready for your next exam, the Progress Assessment.


The vision misalignment you measured during your initial NeuroVisual™ Exam may measure differently during your Progress Assessment exam several weeks later. We tell patients that ‘the first prism prescription is never the final prism prescription’ because as your body and eyes relax, the prescription will adjust and shift. During your Progress Assessment exam, your optometrist will remeasure your visual system and fine-tune your prism prescription with your body in its new, more relaxed state.


Who can prescribe microprisms?

Any optometrist can prescribe prism lenses, but not every optometrist is specially trained to prescribe microprisms. There is an art and science to prescribing microprisms. Doctor Payne has undergone intensive training with the NeuroVisual™ Medicine Institute to become an expert in prescribing microprisms and treating Binocular Vision Dysfunction.


What Are the Side Effects of Wearing Prism Glasses?

Any new glasses can cause eye strain for the first few days. Incorrect prism prescriptions can cause BVD symptoms to become worse, as can improperly adjusted glasses frames. If this happens, tell your doctor immediately so that the frames and the prescription can be checked.


For more on binocular vision dysfunction and to see if microprism glasses might provide relief for your BVD symptoms, take the BVDQ™, our Free 5 Minute Self Test to find out if you have BVD.

What do patients and referring doctors say about NeuroVisual™ Medicine and microprism glasses?
Patient Testimonials & Doctor Testimonials

What Patients Say About their Binocular Vision Dysfunction and Microprism Glasses

With over 50,000 patients treated for BVD by NeuroVisual™ trained optometrists across the globe, there are a lot of patient stories of success, relief, and transformation. Patients of all ages have been affected by BVD and have received successful treatment with microprism glasses. Read and watch patients tell about their life changing NeuroVisual™ Exams and now living with greatly reduced symptoms with their microprism glasses.

“I’m not tired when I read now. School is not as hard, and I have more fun. My glasses make everything better.”


"I was about to be put into a special education class because I was having so many learning problems. That was ten years ago. These lenses changed everything, really! The headaches disappeared. Reading was so much easier and I could figure out my homework.”


 “I was riding my motorcycle and was hit from behind. The years that followed were filled with excruciating pain. I couldn’t cut the grass, cook, or do much of anything. Then, one of my therapists referred me to a BVD specialist. When I put on the trial lenses, the pain instantly left. This is the real deal.” 

What Doctors Have To Say About BVD

The network of medical professionals who refer patients to us for care has contributed to a growth in Binocular Vision Dysfunction awareness. What our collective research has taught us is that oftentimes patients have experienced doctors attempting to treat their symptoms rather than the actual cause - which could very likely be a patient’s eyes. This leads to patients being misdiagnosed and prescribed medications that do not help and therapies that do not bring relief.


When treated with microprism lenses for their BVD, the average patient experiences an 80% reduction of symptoms by the end of treatment.


Learn what doctors have to say about BVD in our below video.

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