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12
5. Setting up and using the All Pupil II
Aperture Control Lever (D)
The Aperture Control Lever (D) changes the aperture size to
view through large, medium and small pupils.
Select either the large, intermediate or small aperture by
adjusting lever from left to right - small - intermediate - large.
Large
The large, round homogenous patch is suitable for routine
examinations through fully dilated pupils
Intermediate
The intermediate patch is designed to reduce reflections
when entering a partially or poorly dilated pupil (3mm). It
is also ideal for closer inspection of particular fundal areas.
Small
This light patch is ideal for small, undilated pupils.
Select either the large, intermediate or small aperture by
The intermediate patch is designed to reduce reflections
when entering a partially or poorly dilated pupil (3mm). It
is also ideal for closer inspection of particular fundal areas.
Small
This light patch is ideal for small, undilated pupils.
