Slit Lamp Basics 51
Selecta
PBL200051, Rev J
manually rotate the microscope arm to the desired position. An arm position
angle scale, located directly beneath the microscope arm locking screw,
indicates the rotation angle of the microscope arm.
Slit lamp illumination intensity control
A rotary control on the right hand side of the slit lamp base adjusts the slit
lamp illumination intensity ( ). Rotate the control clockwise to increase
intensity, counter-clockwise to decrease intensity, as shown on the control
icon.
Chin rest height adjustment
The patient chin rest may be adjusted up and down using the chin rest height
adjustment knob, located on the chin rest assembly. Rotate the knob to adjust
the chin rest up or down.
Laser controls on the slit lamp
Laser eye safety filter
The microscope contains an integrated, fixed eye safety filter that protects the
operator’s eyes from exposure to laser radiation.
Laser aiming beam intensity control
A rotary control on the right side of the slit lamp base adjusts the laser aiming
beam intensity ( ). To increase the laser aiming beam intensity rotate the
control clockwise, to decrease intensity rotate the control counter-clockwise,
as shown on the control icon.
Energy Adjustment control
Laser energy is adjusted using a rotary control ( ) located on each side of
the microscope column. As indicated on the icon next to the control, rotate
the control clockwise to increase laser energy, counter-clockwise to decrease
laser energy.
Posterior YAG offset control
The posterior YAG offset control ( ) is located on each side of the
microscope column. The YAG offset control adjusts the focal plane of the
treatment laser energy posteriorly. 100 µm is the nominal setting, as indicated
on the control knob. The posterior YAG offset is continuously adjustable
from 0 to 350 µm posterior, with detents at 0, 100, 250, and 350 µm.
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