LIGHT BEAM CONTROLS

The width of the light beam is controlled by the knobs on the side of the lamp arm nearest the bottom.

To move the light beam to the side of the 
field of view as when using sclerotic scatter 
or indirect illumination, the knob on the 
back-lower part of the light tower is 
loosened.  Turn the light tower by the base 
of the tower which has the beam with 
control.

The light tower can also be tilted forward 
by releasing the latch between the two light 
beam with controls and tilting the tower.  
The latch allows 5 degree increments of tilt.  
This control can be useful for gonioscopy 
and fundus examination.