Table 2.
Clinical signs of AI patients, classified according to asymptomatic or symptomatic dry eye group.
| Clinical signs | Total | Asymptomatic | Symptomatic | p |
|---|---|---|---|---|
| Total no. of eyes | 50 | 18 | 32 | |
| Visual acuity (logMAR)a | 0.03 ± 0.1 | 0.03 ± 0.1 | 0.03 ± 0.1 | 0.992 |
| NIBUT—1st (secs)a | 7.9 ± 5.6 | 6.1 ± 4.3 | 8.8 ± 6.0 | 0.063 |
| NIBUT—Average (secs)a | 11.0 ± 6.1 | 8.6 ± 5.5 | 12.4 ± 6.1 | 0.034 |
| Tear meniscus (mm) | 0.26 ± 0.1 | 0.24 ± 0.1 | 0.27 ± 0.1 | 0.405 |
| Conjunctival Inflammation | 1.5 ± 0.4 | 1.4 ± 0.4 | 1.5 ± 0.5 | 0.398 |
| Tear osmolarity (mOsm/L) | 317 ± 21 | 307 ± 10 | 323 ± 23 | 0.002 |
| Corneal staininga | 0 (0–1) | 0 (0–1) | 0 (0–1) | 0.296 |
| Schirmer score (mm) | 16.0 ± 11.7 | 14.4 ± 12.3 | 16.8 ± 11.4 | 0.490 |
| Meibography—Upper lida | 1 (0–1) | 0 (0–1) | 2 (1–2) | 0.012 |
| Meibography—Lower lida | 2 (1–3) | 2 (1–3) | 2 (1–3) | 0.236 |
| Meibography total scorea | 3 (2–4) | 1 (1–3) | 4 (2–4) | 0.002 |
Key: NIBUT Non-invasive tear break up time, secs seconds, mm millimeter, mOsm/L Milliosmoles per litre.
aMann–Whitney U test.
Bold values shown significant difference i.e. p < 0.05.