Effects of Blink Rate on Tear Film Optical Quality Dynamics with Different Soft Contact Lenses
Table 2
Analysis statistics for dynamic Objective Scatter Index (dyn. OSI) for low blink rates.
Low blink rate (mean ± SD)
Baseline
Day 1
Day 15
value
Dyn. OSI
CL A
0.83 ± 0.46
1.07 ± 0.61
1.84 ± 1.64
0.04
CL B
0.79 ± 0.26
2.02 ± 2.28
1.88 ± 1.98
0.02, 0.03
CL C
1.02 ± 0.60
2.16 ± 2.04
2.23 ± 2.44
0.05
CL D
0.66 ± 0.16
1.24 ± 0.63
1.10 ± 0.43
0.03
Slope
CL A
0.03 ± 0.05
0.07 ± 0.08
0.22 ± 0.32
0.05
CL B
0.03 ± 0.04
0.26 ± 0.58
0.15 ± 0.36
0.05
CL C
0.04 ± 0.07
0.25 ± 0.60
0.11 ± 0.13
0.06
CL D
0.03 ± 0.05
0.09 ± 0.17
0.07 ± 0.10
0.629
Significant difference noted between baseline and Day 15; significant difference noted between baseline and Day 1; Day 1: after 20 minutes of CL wear; Day 15: after 8 hours of CL wear on day 15 of use; significant value <0.05.