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© Haag-Streit AG, CH-3098 Koeniz, Switzerland
1500.7006000.04101
Position too high / low
A semi circular ring appears partly in the upper half
(22)
The measuring prism is not focused on the eye, the eye is
too far up.
Move the slit lamp upwards
with the guide lever.
The ring appears completely in the upper half
(23)
The measuring prism is not focused on the eye, the eye is
still too far up.
Move the slit lamp upwards
with the guide lever.
The ring appears almost completely in the upper half,
and partly cut in the lower half
(24)
The measuring prism is not focused on the eye, the eye is
still too far up.
Move the slit lamp upwards
with the guide lever.
Two partly cut rings appear, the larger one in the upper
half
(25)
The measuring prism is not focused on the eye, the eye is
still too far up.
Move the slit lamp upwards
with the guide lever.
Correct position!
(26)
The edges of both semi circular rings meet exactly in the cen-
tre of the ocular
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