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Table 3 Comparative analysis of the metrics derived from the simultaneous real-time analysis system (SRTAS) between the two groups

From: Simultaneous real-time analysis of tear film optical quality dynamics and functional visual acuity in dry eye disease

Parameter

Dry eye group (n = 37)

Normal control group (n = 20)

P value

Mean OSI

1.53 ± 0.47*

0.73 ± 0.27*

 < 0.001

OSI-MR

0.92 ± 0.04

0.98 ± 0.01*

 < 0.001

Mean FVA

0.11 ± 0.04*

0.05 ± 0.03*

 < 0.001

VMR

0.95 ± 0.01*

0.98 ± 0.01*

 < 0.001

VA-BUT (s)

8.82 ± 2.25*

14.80 ± 3.82*

 < 0.001

OSI-BUV

1.36 ± 0.53

0.77 ± 0.29*

 < 0.001

  1. OSI = objective scatter index; OSI-MR = OSI maintenance ratio; FVA = functional visual acuity; VMR = visual maintenance ratio; VA-BUT = visual acuity break-up time; OSI-BUV = OSI break-up value
  2. *Normal distribution, bold font indicates statistical significance
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Eye and Vision

ISSN: 2326-0254