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VR Glasses Principle

Principle and VR glasses our eye similar to the two lenses is equal to the eye, but not the human eye "smart". Plus VR glasses are generally content to split-screen, cut in half through superposition Imaging lenses. Tends to cause the center of the pupil of the human eye, lens Center and screen (screen) Center is not on the line, poor visual effects, appears clearly, deformation and other problems.
Ideal State is that the center of the pupil of the human eye, lens Center and screen (screen) should be in a straight line from the Center (below), would require by adjusting the lens of "PD" so that it coincides with the eye pupil distance, and then use the software to adjust the screen Center, ensure the 3-point line, so as to obtain the best visual effect. Domestic equipment through physical conditioning or by software, such as mirror of the storm, whose pupil distance through the top of the knob to adjust, SVR Glass you need software to adjust the interpupillary distance.