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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 3, Iss. 11 — Nov. 10, 2005
  • pp: 655–658

Research of cornea section's shape ablated by 193-nm ArF laser spots

Zhiqiang Zhu, Yinshan Yu, and Guoqing Deng  »View Author Affiliations


Chinese Optics Letters, Vol. 3, Issue 11, pp. 655-658 (2005)


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Abstract

The ablation theory of cornea and biology effect by 193-nm ArF excimer laser are introduced. The ablation tracks model is put forward to make laser spots scan around cornea by many steps and many areas to change cornea curvature. The corneal average ablation curve is calculated by software so as to explain the feasibility of the ablation tracks model. By analyzing the actual ablation shapes of many arbitrary cornea sections, the optimal ablation method for deciding the random position of every laser spot in every ablation track is obtained. Experiments combining the ablation model with the device testify the energy stability of laser spots and the accuracy of rectifying anisometropia.

© 2005 Chinese Optics Letters

OCIS Codes
(140.2180) Lasers and laser optics : Excimer lasers
(170.1020) Medical optics and biotechnology : Ablation of tissue
(200.0200) Optics in computing : Optics in computing
(240.6670) Optics at surfaces : Surface photochemistry

Citation
Zhiqiang Zhu, Yinshan Yu, and Guoqing Deng, "Research of cornea section's shape ablated by 193-nm ArF laser spots," Chin. Opt. Lett. 3, 655-658 (2005)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-3-11-655

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