The practice of prescribing artificial lenses to correct vision problems by treating symptoms.
The practice of addressing the underlying root causes of vision problems through natural methods.
A system of vision training developed by ophthalmologist Dr. William H. Bates who lived from 1860-1931.
The eye’s inability to focus light on the retina correctly.
Nearsightedness / Shortsightedness… the eye can focus better near, but sees blurry far because the eye tends to be too elongated.
Farsightedness… the eye can focus better far, but sees blurry near because the eye tends to be too flat.
Uneven tension in outer eye muscles leads to misshapen eye that can create double images or ghost images.