Thermal modeling of laser photothermo keratoplasty

Zhiping J. Zhou, Qiushi Ren, Gabriel M D Simon, Jean-Marie A Parel

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)

Abstract

Laser photo thermo keratoplasty (LPTK) is a refractive procedure that changes the curvature of the cornea by laser induced collagen shrinkage. To understand the temperature distribution induced by the laser radiation inside the cornea, a photo-thermal theoretical model is employed to simulate this process. The 4-D space-time temperature distributions within the cornea are calculated and depicted. The effects of the incident fluence and the laser spot size on temperature relaxation rate is discussed. Optimization of incident fluence on the surface of the cornea is made. The comparison between calculated and experimental regions of collagen shrinkage is given. Recommendations for the design of clinical surgery instruments are also presented.

Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Place of PublicationBellingham, WA, United States
PublisherPubl by Int Soc for Optical Engineering
Pages61-71
Number of pages11
Volume1644
ISBN (Print)0819407909
StatePublished - Dec 1 1992
EventOphthalmic Technologies II - Los Angeles, CA, USA
Duration: Jan 19 1992Jan 21 1992

Other

OtherOphthalmic Technologies II
CityLos Angeles, CA, USA
Period1/19/921/21/92

Fingerprint

cornea
Collagen
Lasers
Temperature distribution
collagens
shrinkage
lasers
fluence
temperature distribution
Laser radiation
Surgery
recommendations
surgery
curvature
laser beams
optimization
Hot Temperature
Temperature
temperature

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Zhou, Z. J., Ren, Q., Simon, G. M. D., & Parel, J-M. A. (1992). Thermal modeling of laser photothermo keratoplasty. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 1644, pp. 61-71). Bellingham, WA, United States: Publ by Int Soc for Optical Engineering.

Thermal modeling of laser photothermo keratoplasty. / Zhou, Zhiping J.; Ren, Qiushi; Simon, Gabriel M D; Parel, Jean-Marie A.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 1644 Bellingham, WA, United States : Publ by Int Soc for Optical Engineering, 1992. p. 61-71.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Zhou, ZJ, Ren, Q, Simon, GMD & Parel, J-MA 1992, Thermal modeling of laser photothermo keratoplasty. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 1644, Publ by Int Soc for Optical Engineering, Bellingham, WA, United States, pp. 61-71, Ophthalmic Technologies II, Los Angeles, CA, USA, 1/19/92.
Zhou ZJ, Ren Q, Simon GMD, Parel J-MA. Thermal modeling of laser photothermo keratoplasty. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 1644. Bellingham, WA, United States: Publ by Int Soc for Optical Engineering. 1992. p. 61-71
Zhou, Zhiping J. ; Ren, Qiushi ; Simon, Gabriel M D ; Parel, Jean-Marie A. / Thermal modeling of laser photothermo keratoplasty. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 1644 Bellingham, WA, United States : Publ by Int Soc for Optical Engineering, 1992. pp. 61-71
@inproceedings{84339a3b003d4c69811239d05f477bb0,
title = "Thermal modeling of laser photothermo keratoplasty",
abstract = "Laser photo thermo keratoplasty (LPTK) is a refractive procedure that changes the curvature of the cornea by laser induced collagen shrinkage. To understand the temperature distribution induced by the laser radiation inside the cornea, a photo-thermal theoretical model is employed to simulate this process. The 4-D space-time temperature distributions within the cornea are calculated and depicted. The effects of the incident fluence and the laser spot size on temperature relaxation rate is discussed. Optimization of incident fluence on the surface of the cornea is made. The comparison between calculated and experimental regions of collagen shrinkage is given. Recommendations for the design of clinical surgery instruments are also presented.",
author = "Zhou, {Zhiping J.} and Qiushi Ren and Simon, {Gabriel M D} and Parel, {Jean-Marie A}",
year = "1992",
month = "12",
day = "1",
language = "English",
isbn = "0819407909",
volume = "1644",
pages = "61--71",
booktitle = "Proceedings of SPIE - The International Society for Optical Engineering",
publisher = "Publ by Int Soc for Optical Engineering",

}

TY - GEN

T1 - Thermal modeling of laser photothermo keratoplasty

AU - Zhou, Zhiping J.

AU - Ren, Qiushi

AU - Simon, Gabriel M D

AU - Parel, Jean-Marie A

PY - 1992/12/1

Y1 - 1992/12/1

N2 - Laser photo thermo keratoplasty (LPTK) is a refractive procedure that changes the curvature of the cornea by laser induced collagen shrinkage. To understand the temperature distribution induced by the laser radiation inside the cornea, a photo-thermal theoretical model is employed to simulate this process. The 4-D space-time temperature distributions within the cornea are calculated and depicted. The effects of the incident fluence and the laser spot size on temperature relaxation rate is discussed. Optimization of incident fluence on the surface of the cornea is made. The comparison between calculated and experimental regions of collagen shrinkage is given. Recommendations for the design of clinical surgery instruments are also presented.

AB - Laser photo thermo keratoplasty (LPTK) is a refractive procedure that changes the curvature of the cornea by laser induced collagen shrinkage. To understand the temperature distribution induced by the laser radiation inside the cornea, a photo-thermal theoretical model is employed to simulate this process. The 4-D space-time temperature distributions within the cornea are calculated and depicted. The effects of the incident fluence and the laser spot size on temperature relaxation rate is discussed. Optimization of incident fluence on the surface of the cornea is made. The comparison between calculated and experimental regions of collagen shrinkage is given. Recommendations for the design of clinical surgery instruments are also presented.

UR - http://www.scopus.com/inward/record.url?scp=0026967228&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0026967228&partnerID=8YFLogxK

M3 - Conference contribution

AN - SCOPUS:0026967228

SN - 0819407909

VL - 1644

SP - 61

EP - 71

BT - Proceedings of SPIE - The International Society for Optical Engineering

PB - Publ by Int Soc for Optical Engineering

CY - Bellingham, WA, United States

ER -