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Schirmer's tear production test (II) for the study eye (red square) and control eye (black dot). Completed cases for 48 hours (nstraight = 12, ncurved = 17), 7 days (nstraight = 10, ncurved = 12), 28 days (nstraight = 4, ncurved = 6), and the analysis of all subjects at 28 days (nstraight_baseline = 21, ncurved_baseline = 21) for the straight and curved ocular coils.
