Zeiss Visulas Yag III laser


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Sensitive scalpel among secondary cataract lasers

The VISULAS® YAG III from Carl Zeiss is a milestone in the development of practice-oriented photodisruption laser systems. It brings together latest generation optical experience and technological excellence and provides maximum ease of use with the lowest possible amount of patient stress. The VISULAS YAG III is used for applications like posterior capsulotomy and iridotomy as well as IOL polishing.

Legendary ZEISS optics

For decades Carl Zeiss Meditec has been developing high-quality therapeutic lasers featuring outstanding precision and legendary optics from ZEISS. Perfectly integrated laser slit lamps guarantee superior slit lamp image quality, which is an important requirement for reproducible clinical results.

Gentle laser treatment

The VISULAS YAG III focuses the optimum amount of laser energy directly to the target thanks to its Super-Gaussian beam profile. It therefore requires less energy to achieve the optical breakdown, as little as 2.5 mJ in air. The result: high-precision treatment to the patient using a minimum of laser energy.

Variable focus shift

The focal point of the aiming beam is set precisely and reproducibly before, behind or directly at the focal point of the disruption laser.

Fully integrated laser workplace

The high-quality laser source of the VISULAS YAG III is perfectly integrated into the ZEISS laser slit lamp, which can also be used as a fully-equipped diagnostic slit lamp.

Precision targeting

The unique 4-point aiming beam ensures a high degree of aiming accuracy. Astigmatic distortions can be identified clearly. The selected energy level can be corrected accordingly prior to the laser application.

Technical data

Laser wavelength 1064 nm
Mode Super-Gaussian
Optical breakdown Typically 2.5 mJ in air
Pulse length < 4 ns (typically 2-3 ns)
Max. laser energy Single pulse: typically 10 mJ,

Double pulse: typically 23 mJ,

Triple pulse: typically 35 mJ

Energy attenuation 22 levels
Pulse repetition frequency Max. 2.5 Hz
Focus diameter 10 µm in air
Exit aperture angle 16°
Aiming beam Diode approx.. 670 nm,

power 5 µW-150 µW;

4-point aiming beam focusing system

Focus shift Variable: +150 µm; 0; -150 µm
Electrical connection 100-240 V, 50/60 Hz
Control panel dimensions (H 135 x W 210 x D 330) mm

(H 5.3 x W 8.3 D 13.0) inches

Control panel weight 4 kg (8.8 lbs)
LSL YAG III Laser Slit Lamp
Magnifications 5 / 8 / 12 / 20 / 32 x
Slit adjustment Slit height : in 1 / 3 / 5 / 9 / 14 mm

Slit width : 0-14 mm,

continuous adjustment

Illumination 12 V, 30 W; brightness continuously adjustable

You can see the operation of the Zeiss Visulas Yag III laser in video:


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