Table 5

Results from rose bengal test (total score) in crossover phase

HA→saline (SD)saline→HA (SD)
Left eye:
 1st period3.4  (1.3)4.4  (2.1)
 2nd period4.3 (1.8)3.3 (1.7)
 1st–2nd−1.0 (1.6)1.1 (2.1)
Treatment difference test: t=4.5, p=0.0001
Left eye:
 1st period3.5 (1.1)4.4 (2.2)
 2nd period4.3 (1.8)3.4 (1.4)
 1st–2nd−0.8 (1.4)1.1 (2.2)
Treatment difference test: t=4.3, p=0.0001
Combined test on sum from both eyes: t=4.7, p=0.0001