Removing Severe Contamination - Zeiss CLARUS 500 Instructions For Use Manual

8 Cleaning and Disinfection
8.3 Cleaning the Front Lens
Action
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2. If dust remains, start in the center of the lens surface and wipe
in widening circles with the felt end of the LensPen, applying
gentle pressure.
3. After using the felt tip, replace the protective cap and rotate it
three or four times.

8.3.3 Removing Severe Contamination

More serious contamination may result from patients sneezing or
touching the lens with their nose or fingers. This causes distinct
bright areas on the image.
Figure 21: Fundus Image with Fingerprint Contamination
1. Using moist disposable cloths or microfiber cloths, cotton ball
sticks, or Safebuds sprayed with cleaning fluid, start in the
center of the lens surface and wipe in widening circles. Do not
allow your fingers to touch the lens surface as you clean.
2. Repeat as needed, using a clean portion of the cloth each time.
3. Verify that smudges and streaks have been removed by
breathing on the lens.
4. Use the felt end of the LensPen to remove any remaining
residue.
5. To verify that cleaning has been successful, take a photograph
in a darkened room. Check the resulting image for bright spots.
Instructions for Use
CLARUS® 500
2660021171806 Rev. A 2019-01