Research Article

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)
BaselineDay 1Day 15 value

Dyn. OSICL A0.83 ± 0.461.07 ± 0.611.84 ± 1.640.04
CL B0.79 ± 0.262.02 ± 2.281.88 ± 1.980.02, 0.03
CL C1.02 ± 0.602.16 ± 2.042.23 ± 2.440.05
CL D0.66 ± 0.161.24 ± 0.631.10 ± 0.430.03

SlopeCL A0.03 ± 0.050.07 ± 0.080.22 ± 0.320.05
CL B0.03 ± 0.040.26 ± 0.580.15 ± 0.360.05
CL C0.04 ± 0.070.25 ± 0.600.11 ± 0.130.06
CL D0.03 ± 0.050.09 ± 0.170.07 ± 0.100.629

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.