Prism Test Comparison

A laser is fired through each lens in a frame. The dots should come together at the center if both eyes see the same image, but lenses with Standard Definition Optics bend light. Objects aren’t really where you see them, and your brain is wasting valuable runtime to put the images together. HDO® virtually eliminates this distortion so everything is where you see it. Performance and safety are optimized because your brain can concentrate on the task at hand.

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