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Photorefractive keratectomy: A technique for laser refractive surgery
Abstract
The excimer laser offers entirely new corneal surgery procedures. In this paper, we describe conditions for one such procedure, photorefractive keratectomy, the direct reshaping of the cornea's central optical zone using tissue ablation with far ultraviolet radiation. We present equations for the required tissue ablation to achieve required refractive corrections. Conditions for beam uniformity are presented and a method of achieving better beam uniformity using beam integration by rotation is demonstrated. The healing of rabbit corneas after area ablation was observed. Five days after treatment, the surface quality of deep cuts was very irregular; the shallow cuts produced more regular results, as predicted by our calculations of beam characteristics.
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Citations
Cited by
Er:YAG laser ablation of tissue: Effect of pulse duration and tissue type on thermal damage
Walsh, J. T., Flotte, T. J., & Deutsch, T. F. (1989) · Lasers in Surgery and Medicine · doi:10.1002/lsm.1900090403 · Cited by 478
Wavefront Ablation Profiles in Refractive Surgery: Description, Results, and Limitations
Smadja, D., Reggiani-Mello, G., Santhiago, M. R., & Krueger, R. R. (2012) · Journal of Refractive Surgery · doi:10.3928/1081597x-20120217-01 · Cited by 58
Metadata
- Authors
- Munnerlyn, C. R., Koons, S. J., & Marshall, J.
- Venue
- Journal of Cataract and Refractive Surgery
- Published
- 1988-01
- Volume
- 14
- Issue
- 1
- Pages
- 46-52
- ISSN
- 0146-2776 (ISSN-L)
- 0886-3350
- OpenAlex
- W2048392529
- Cited by
- 763
- References
- 0
- FWCI
- 12.07
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Photorefractive keratectomy: A technique for laser refractive surgery. https://app.cochat.ai/papers/10.1016/s0886-3350(88)80063-4
- The paper
- Munnerlyn, C. R., Koons, S. J., & Marshall, J. (1988). Photorefractive keratectomy: A technique for laser refractive surgery. Journal of Cataract and Refractive Surgery. https://doi.org/10.1016/s0886-3350(88)80063-4
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
