Chinese Journal of Lasers, Volume. 49, Issue 15, 1507103(2022)
Recent Progress in Femtosecond Laser in Treatment of Ophthalmic Keratoconus
Figures & Tables(3)
Fig. 2. Corneal graft and implantation mode produced by femtosecond laser in cornea. (a) Top hat; (b) mushroom; (c) Zig-zag
Table 1. Parameters and functions of femtosecond laser system in mainstream corneal refractive surgery
View tableTable 1. Parameters and functions of femtosecond laser system in mainstream corneal refractive surgery
Parameter IntraLase iFS150 Femto LDV VisuMax Femtec 20/10 WaveLight FS200 Wavelength 1053 nm (1045±10) nm 1043 nm 1040 nm 1050 nm Pulse energy 0.6－1 μJ 10－20 nJ 50－420 nJ 3.2－3.4 μJ 0.6－0.7 μJ Pulse frequency 150 kHz >1000 kHz 500 kHz 80 kHz 200 kHz Pulse width 600－800 fs 200－350 fs 220－580 fs >500 fs 350 fs Flatten pattern Flat Flat Arc Arc Improved flat Mobility No Yes No No No Environmental requirement Higher (Temperature/humidity) Lower Lower Higher (Temperature/humidity) Lower Other function PK, DALK, ICRS No SMILE PK, DALK, ICRS PK, DALK, ICRS
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Shengsheng Wei, Yong Li, Jing Li, Zhenxi Zhang. Recent Progress in Femtosecond Laser in Treatment of Ophthalmic Keratoconus[J]. Chinese Journal of Lasers, 2022, 49(15): 1507103
Paper Information
Category: Optical Diagnostics and Therapy
Received: Nov. 19, 2021
Accepted: Jan. 27, 2022
Published Online: Aug. 9, 2022
The Author Email: Li Yong (344813995@qq.com), Li Jing (lijing850205@163.com), Zhang Zhenxi (zxzhang@mail.xjtu.edu.cn)
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