Poster # P-136 Xerosis Meter: New Device and Concept in Dry-Eye Evaluation

Presenter: Gupta, Yogesh

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This device is based on the principle that the electrical conductivity of any tissue is directly proportional to its wetness. The resistance of the conjunctiva was measured in ohms by using a sensitive digital ohmmeter, the probes of which were placed at different areas of the conjunctive without any anaesthetics. The sensitivity of this instrument was compared with Schirmer's Test and Tear Film Break up Time (BUT).

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