A Comparative Study Of Corneal Incisions, Induced By Pulsed Lasers At Infrared And Ultraviolet Wavelengths

S K Davi; D H Sliney; B Norris.; W Nip; P K Carpenter; R D McAlpine; G Thomas; K Evans

doi:10.1117/12.956342

5 August 1986 A Comparative Study Of Corneal Incisions, Induced By Pulsed Lasers At Infrared And Ultraviolet Wavelengths

S K Davi, D H Sliney, B Norris., W Nip, P K Carpenter, R D McAlpine, G Thomas, K Evans

Author Affiliations +

Proceedings Volume 0605, Optical and Laser Technology in Medicine; (1986) https://doi.org/10.1117/12.956342
Event: O-E/LASE'86 Symposium, 1986, Los Angeles, CA, United States

Abstract

Nanosecond pulses from CO2 TEA lasers, (A= 10,600nm,T = 3ns, 4Ons and 200ns), HF lasers (X= 2,744nm,1'= 300ns) and excimer lasers (N= 193nm,T= 15ns) were focussed (either through cylindrical quartz lens or 0.001" thick Beryllium-copper mask etched with slits of various widths) onto the corneas of enucleated dog eyes. Pulse energies were measured with a pyroelectric or disc calorimeter, placed behind the mask. The mask unit area and the number of pulses were varied to determine energy parameters required for ablation of different depths of corneal tissue. Ultrastructural studies of corneal incisions made with knife were compared with those made by laser pulses.

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S K Davi, D H Sliney, B Norris., W Nip, P K Carpenter, R D McAlpine, G Thomas, and K Evans "A Comparative Study Of Corneal Incisions, Induced By Pulsed Lasers At Infrared And Ultraviolet Wavelengths", Proc. SPIE 0605, Optical and Laser Technology in Medicine, (5 August 1986); https://doi.org/10.1117/12.956342

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