First Experience in Small Incision Lenticule Extraction with the Femto LDV Z8 and Lenticule Evaluation Using Scanning Electron Microscopy

Table 1

Main equipment parameters of the two femtosecond laser platforms.

	Femto LDV Z8	VisuMax
Manufacturer	Ziemer Ophthalmic Systems AG, Port, Switzerland	Carl Zeiss Meditec, Jena, Germany
Wavelength (nm)	1020–1060	1043
Pulse duration (fs)	200–350	220–580
Laser pulse repetition rate (kHz)	>5000	500
Weight (kg)	215	870
Docking method	Floating a mobile hand-piece on eye	Sliding patient bed under a fixed laser head
Contact glass on suction system	Flat	Curve
Interoperative OCT	Yes	No
Automatic detection of pupil	Yes	No
Pupil central offsetting	Yes	No
Real-time video recording	No	Yes