Red Light Therapy (Photobiomodulation)
Understanding Red Light Therapy
Red light therapy, also known as photobiomodulation, is the use of specific wavelengths of red or near-infrared light to stimulate cellular energy production. The word photobiomodulation breaks down into three parts: photo (light), bio (life), and modulation (change). In simple terms, it means using light to create helpful changes in living tissue.
During treatment, light at carefully chosen wavelengths penetrates the skin and underlying tissue. Once the light reaches the cells, it supports their natural energy processes. This is not the same as laser surgery or intense light treatments. The light used in photobiomodulation is gentle, and patients typically feel little or nothing during a session.
Photobiomodulation has a growing evidence base in eye care and visual rehabilitation. Researchers have studied how specific light wavelengths affect the cells of the visual system, and the results have drawn attention from eye care professionals around the world. We use this technology as one part of our comprehensive approach to treating visual dysfunction.
Every cell in your body contains tiny structures called mitochondria. Mitochondria are the energy-producing engines inside each cell. They take in nutrients and oxygen and convert them into a molecule called adenosine triphosphate, or ATP. ATP is the fuel your cells use to carry out their work, from healing damaged tissue to sending signals through the nervous system.
When specific wavelengths of red or near-infrared light reach the mitochondria, they stimulate these structures to produce more ATP. With more cellular energy available, tissues can recover more effectively, inflammation tends to decrease, and overall cellular function improves. In the visual system, this means the cells involved in processing sight may function more efficiently.
The principle behind photobiomodulation is straightforward: light at specific wavelengths produces measurable biological effects at the cellular level. Research published in the Journal of Clinical Medicine in 2020 reviewed the cellular and molecular mechanisms behind photobiomodulation, confirming that targeted light exposure triggers a chain of beneficial responses within cells. Research published in Retina in 2024 found that photobiomodulation produced significant improvements in visual function, leading to FDA authorization for the first photobiomodulation device in eye care. These findings support the growing role of red light therapy in clinical vision care.
We use red light therapy to support cellular recovery within the visual system. Because the treatment works at the cellular level, it can play a role in a range of visual conditions where tissue health and cellular energy are factors. Some of the areas where red light therapy may provide support include:
- Post-concussion visual recovery, where the cells of the visual system may be functioning below their potential following head injury
- Light sensitivity, which can be related to how efficiently the visual system processes and regulates incoming light
- Visual fatigue, where the cells responsible for sustained visual effort may benefit from improved energy production
- Supporting overall cellular health as part of comprehensive visual rehabilitation
A multicenter randomized controlled trial published in Ophthalmology in 2022 found that low-level red light therapy significantly slowed myopia progression in children. This study demonstrated that photobiomodulation can produce meaningful clinical outcomes in younger patients, adding to the evidence that cellular-level interventions have a place in modern vision care.
By supporting the biological foundation of the visual system, red light therapy helps create better conditions for the other treatments in a patient's program to take effect.
What to Expect During Red Light Therapy
Red light therapy sessions are brief, comfortable, and non-invasive. During your session, you or your child will sit in a relaxed position while targeted light is directed toward the treatment area. The light feels gentle, and most patients describe the experience as easy and painless. There is no medication involved, and no contact with the eyes.
Sessions are well-tolerated by patients of all ages, including children. The treatment requires no special preparation, and you can return to your normal activities right after each session. Many patients find the sessions calming and straightforward.
Red light therapy sessions are typically combined with other treatments during the same visit. This means you do not need to schedule separate appointments for each type of therapy. Your treatment frequency is based on your individual needs and may be adjusted as your program progresses.
We track your progress with red light therapy alongside the rest of your treatment program. Because photobiomodulation supports the cellular foundation of visual health, we monitor how improvements at the cellular level correspond with gains in visual function, comfort, and performance. This helps us determine the right frequency and duration for your sessions over time.
Red Light Therapy as Part of Your Treatment Program
Red light therapy supports cellular health, but healthy cells are only one piece of the visual system. Your brain also needs to coordinate eye movements, process what you see, and integrate visual information with your other senses. No single treatment can address all of these layers on its own.
This is why we developed Neuro-Visual Performance Training, which combines multiple therapeutic approaches into a unified program. Red light therapy enhances the biological foundation that other treatments build on. When cells are functioning at a higher level, the brain is better positioned to learn new visual skills and form stronger neural connections through neuroplasticity, the brain's ability to reorganize and strengthen its pathways with practice.
Think of red light therapy as preparing the soil before planting a garden. The healthier the soil, the better the plants will grow. In the same way, healthier cells create a stronger foundation for the motor coordination training, perceptual processing work, and sensory integration exercises that follow.
Red light therapy pairs naturally with other treatments we offer, particularly syntonics and vision therapy. Each of these approaches targets a different layer of the visual system, and together they address biological, neurological, and functional aspects of vision.
Photobiomodulation supports cellular recovery and energy production. Syntonics, which uses specific frequencies of light through the eyes, helps regulate the visual system at a neurological level. Vision therapy builds practical visual skills on this healthier tissue through guided exercises and activities. When these treatments are used together, each one reinforces the others.
For example, a patient recovering from a concussion may begin with red light therapy to support cellular healing, receive syntonics to help regulate light sensitivity, and progress into vision therapy to rebuild visual coordination and processing speed. This layered approach reflects how the visual system actually works, with biological, neurological, and functional components all contributing to clear, comfortable vision.
Every treatment plan at our practice begins with a thorough evaluation. We assess how your visual system is functioning at multiple levels, from the health of the tissue to the efficiency of visual processing and coordination. This evaluation tells us whether red light therapy should be part of your program and how it should be combined with other treatments.
No two patients are alike, and no two treatment plans look the same. Some patients benefit from frequent photobiomodulation sessions early in their program, while others may use it at specific points to support recovery or transition between phases of treatment. We measure your progress objectively at regular intervals, using the same tests and metrics from your initial evaluation to track change over time.
Your treatment plan evolves as you improve. We adjust the role of each therapy, including red light therapy, based on how your visual system responds. This data-driven approach helps us make sure that every part of your program is contributing to meaningful progress toward your goals.
Frequently Asked Questions
Red light therapy as used in our practice involves carefully controlled wavelengths and intensities that have been studied in clinical research. The treatment is non-invasive, and sessions are designed to stay well within established safety parameters. Patients of all ages, including children, have tolerated the treatment well in published research.
Red light therapy and syntonics both use light, but they work in different ways. Photobiomodulation targets the mitochondria inside cells to boost energy production and support tissue recovery. Syntonics delivers specific light frequencies through the eyes to help regulate the neurological aspects of the visual system. We often use these two treatments together because they complement each other at different levels.
The number of sessions varies from patient to patient. Your treatment plan is based on your evaluation results and the specific goals we establish together. We monitor your progress throughout the program and adjust the frequency and duration of red light therapy sessions based on how your visual system responds. Your doctor will discuss a recommended timeline after your initial evaluation.
Red light therapy is non-invasive and well-tolerated by patients of all ages, including children. Sessions are brief and comfortable, requiring no active participation. Your doctor determines whether red light therapy is appropriate for your child based on their evaluation results and how it fits within their overall treatment program.
What a WONDERFUL place!! After a moderately severe concussion from a routine snowboarding excursion, our daughter's life was turned upside down. Memory loss, sensory overload, inability to read or converse created havoc during her 1st year of high school. UK sports medicine and neurologists released her after 18 months giving us little hope of full recovery. HOWEVER, the wonderful world of Vision therapy with Dr. Graebe and her amazing therapist, Jennifer completely changed her outcome. Dr. Graebe gave us hope, explaining that Vision Therapy is really creating or recreating neural pathways in your brain. She completed extensive therapy and reclaimed her life!!! If you have any sort of TBI, stroke, or just difficulties in reading you can find help and hope HERE!
Paula Davis
I told the staff about my goal of becoming an Army Aviator. At the beginning, I had extremely poor depth perception and now I am currently in flight school. I have nothing but good things to say about the staff and what they do. I was skeptical coming into the program, but the results of therapy changed my life.
Allison Ferguson
We couldn’t be happier with the Vision Therapy services that our daughter has received working with Jennifer! She has experienced so many improvements in her everyday life, had fears diminished with her confidence she has gained from therapy and she is better able to engage with others! I highly recommend NVPI’s services and therapies; it will change your life or your loved one’s life for the better!
Lindsay Hall
My son did therapy here. This is a team of people who truly care about their patients. Dr. Graebe is so knowledgeable, and our results were incredible! It has helped with school, sports, and everything in between. We are forever grateful.
Chris Wood
Very knowledgeable employees. Made therapy fun and exciting. Always positive and built up my child’s self-esteem. Went from not being able to read the top letter on the eye chart to almost 20/20 vision. Homework was easy and fun. Would recommend to everyone.
Gretchen Tracy
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