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Table 1 Summary for the influence of illumination on the visibility of the main features of tear microdesiccates

From: Progress in tear microdesiccate analysis by combining various transmitted-light microscope techniques

 

BF

Ph1

Ph2

Ph3

DF

Zone I

++

++

+

–

–

Zone I filaments

–

+

++

++

+

Bulky appearance of zone I

++

+

–

–

–

Transition band

–

++

+++

+++

+

Zone II-ferns

+

+

++

+++

++

Zone III-ferns

+

++

++

+++

++

  1. BF brightfield; Ph1 Phase 1 contrast; Ph2 Phase 2 contrast; Ph3 Phase 3 contrast; DF darkfield
  2. Visibility:– nil; + scarce; ++ intermediate; +++ high
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Biological Research

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