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Designing multifocal corneal models to correct presbyopia by laser ablation
J. Biomed. Opt. 17, 018001 (Feb 06, 2012); http://dx.doi.org/10.1117/1.JBO.17.1.018001
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Add to FacebookTwo multifocal corneal models and an aspheric model designed to correct presbyopia by corneal photoablation were evaluated. The design of each model was optimized to achieve the best visual quality possible for both near and distance vision. In addition, we evaluated the effect of myosis and pupil decentration on visual quality. The corrected model with the central zone for near vision provides better results since it requires less ablated corneal surface area, permits higher addition values, presents stabler visual quality with pupil-size variations and lower high-order aberrations.
© 2012 Society of Photo-Optical Instrumentation Engineers
History
Received Sep 16, 2011
Accepted Nov 09, 2011
Revised Nov 09, 2011
Published online Feb 06, 2012
Accepted Nov 09, 2011
Revised Nov 09, 2011
Published online Feb 06, 2012
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Aixa Alarcón, Rosario G. Anera, Luis Jiménez del Barco and José R. Jiménez, "Designing multifocal corneal models to correct presbyopia by laser ablation",
J. Biomed. Opt. 17, 018001 (Feb 06, 2012); http://dx.doi.org/10.1117/1.JBO.17.1.018001
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