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Measurement of wave-front aberration in soft contact lenses by use of a Shack–Hartmann wave-front sensor

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Abstract

Lower- and higher-order wave-front aberrations of soft contact lenses were accurately measured with a Shack–Hartmann wave-front sensor. The soft contact lenses were placed in a wet cell filled with lens solution to prevent surface deformation and desiccation during measurements. Aberration measurements of conventional toric and multifocal soft contact lenses and a customized soft contact lens have proved that this method is reliable. A Shack–Hartmann wave-front sensor can be used to assess optical quality of both conventional and customized soft contact lenses and to assist in enhancing lens quality control.

© 2005 Optical Society of America

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