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An aspheric wavefront case history

Roshni Soni describes an impressive outcome using the technique of aspheric wavefront correction

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Higher-order aberrations occur as a result of subtle irregularities in the focusing mechanism of the eye causing a loss of clarity and contrast and can affect night vision. The aberrations themselves can be mathematically described as the sum of a series of polynomial terms of various orders to denote the departure from perfection as developed by Zernicke.

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