How does syntonic light therapy work
How does syntonic light therapy work
Syntonic light therapy, also known as optometric phototherapy, is a branch of vision science that uses specific wavelengths of light to influence visual and neurological function. It is primarily used in behavioral optometry to treat various visual dysfunctions, including accommodative and convergence issues, amblyopia, strabismus, and post-concussion visual disturbances.

How It Works:
Syntonic therapy involves exposing patients to specific frequencies of colored light through the eyes, which stimulates the autonomic nervous system and affects brain function. Different colors of light influence the parasympathetic or sympathetic nervous system, altering pupil responses, retinal activity, and even cognitive function. The therapy is believed to help balance and enhance vision processing, perception, and overall neurological integration.How does syntonic light therapy work
Applications in Vision Science:
1. Binocular Vision Disorders – Helps improve eye coordination and focus.
2. Amblyopia (Lazy Eye) – Enhances neural pathways for better vision development.
3. Post-Traumatic Vision Syndrome (PTVS) – Supports recovery from brain injuries, such as concussions, by restoring visual processing.
4. Strabismus (Eye Turn) – Assists in improving eye alignment and fusion.
5. Visual Stress & Fatigue – Reduces symptoms related to prolonged screen time or reading difficulties.
Mechanism of Action:
Blue-Green (Parasympathetic Activation) – Used for relaxation, reducing stress-related vision issues, and improving accommodative response.
Red-Orange (Sympathetic Activation) – Used to enhance alertness, stimulate accommodation, and improve visual-motor function.
Syntonic light therapy is considered a non-invasive and adjunctive approach in optometry, particularly within the realm of neuro-optometry and behavioral vision therapy. While research is ongoing, many practitioners and patients report significant benefits in functional vision improvement.How does syntonic light therapy work.
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