Principle of local wave front conjugation in ray tracing aberrometry
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Abstract
Measurement errors, having their origin in using the optical system of an eye as a part of the aberrometer, are analyzed. Today, fast automatic techniques did not care about this kind of errors. The article attempts to fill in the gap. The simulation is made with the ZEMAX software for outgoing (Hartmann-Shack) and ingoing (ray tracing) technologies. It is shown, that in the first case, the errors correspond to simple tilts to be easily excluded at processing. In the second case, the error dependencies are more complicated. The principle of local wave front conjugation for ray tracing aberrometry, based on the control of the tilt of the beam entering the eye, is proposed.
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