Estimation of induced error due to decentration in photorefractive surgery

Evan A. Sherr; Robert H. Webb

doi:10.1364/VSIA.1997.FD.1

Vision Science and its Applications
Technical Digest Series (Optica Publishing Group, 1997),
paper FD.1
•https://doi.org/10.1364/VSIA.1997.FD.1

Estimation of induced error due to decentration in photorefractive surgery

Evan A. Sherr and Robert H. Webb

Vision Science and its Applications 1997

Santa Fe, New Mexico United States
31 January–3 February 1997
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E. A. Sherr and R. H. Webb, "Estimation of induced error due to decentration in photorefractive surgery," in Vision Science and its Applications, Technical Digest Series (Optica Publishing Group, 1997), paper FD.1.

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Abstract

Photorefractive keratectomy (PRK) consists of ablating the cornea with a laser beam. The intention is that the cornea be reshaped to a better optical figure. We have modeled the consequences of such a procedure that ablates away the right amount of material in the wrong place. Such an error turns out to be less disastrous than we had expected from anecdotal reports in the literature¹.

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