Clinical Study
Long-Term Effects of Cataract Surgery on Tear Film Parameters
Table 2
Tear film parameters of the study population comparing non-surgical eye to surgical eye.
| | Tear film parameters | Nonsurgical eye (NSE) | Surgical eye (SE) | value | Mean differenceI (SD) | 95% CIII |
| | Tear osmolarity, mean (SD) (range) | 306.68 (13.41) (285–339) | 306.21 (13.43) (284–346) | 0.88 | 0.464 (15.58) | −5.58, 6.51 | | Number of patients (%) | 2 (7.1%) with value >325 | 1 (3.6%) with value >325 | 1 | | Corneal staining | 6 (21.4%) with value >1 | 6 (21.4%) with value >1 | 1 | 0.071 (0.86) | −0.26, 0.40 | | Tear break-up time, mean (SD) (range) | 8.66 (5.40) (1–15) | 8.86 (4.78) (1–15) | 0.79 | −0.207 (4.12) | −1.77, 1.36 | | Number of patients (%) | 14 (48.3%) with value <5 | 8 (27.6%) with value <5 | 0.11 | | Schirmer’s, mean (SD) (range) | 13.48 (8.00) (5–30) | 12.34 (7.49) (5–30) | 0.25 | 1.138 (5.16) | −0.82, 3.10 | | Number of patients (%) | 5 (17.2%) with value <5 | 3 (10.3%) with value <5 | 0.63 | | MG quality | 9 (31.0%) with value >1 | 6 (20.7%) with value >1 | 0.25 | 0.310 (1.07) | −0.10, 0.72 | | Lid vascularity | 5 (17.2%) with value >1 | 5 (17.2%) with value >1 | 1 | 0.035 (0.33) | −0.09, 0.16 | | MG orifice plugging | 6 (20.1%) with value >1 | 7 (24.1%) with value >1 | 1 | −0.069 (0.70) | −0.34, 0.20 |
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(IMean Difference = nonsurgical eye − surgical eye; IICI = confidence interval).
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