Mathematical Modeling for High Order Eye Optical Aberrations

Currently there is considerable interest in correcting the higher-order optical aberrations of the human eye. Present-day laser eye surgery techniques like PRK and LASIK correct only defocus and astigmatism, which are 2(nd) order aberrations.Surgically correcting the additional higher-order aberrations couldextend the limits of human vision beyond 20/20. In addition, thistype of capability could be used to eliminate the higher-orderaberrations that may have been caused by a prior surgicalprocedure. These induced aberrations are responsible for the glare,halos, and other visual defects that have been reported by some eyesurgery patients.

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Keywords:Eye Abberation ، Zernike Polynomials ، Lazik ، OTF