Table 1.
Clinical and demographic characteristics of 47 VKC patients.
| Age range | 3–16 years |
| Age (average ± SD) | 8.8 ± 4.7 years |
| VKC onset (average ± SD) | 2.7 ± 1.3 years |
| Sex: male and female | 38 (79.85%) 9 (20.15%) |
| Forms of VKC | Tarsal: 30 (63.83%) |
| Limbal: 12 (25.53%) | |
| Mixed: 3 (6.38%) | |
| Corneal: 2 (4.26%) | |
| Total score of signs | 12.5 ± 2.0 SD |
| Total score of symptoms | 8.1 ± 2.1 SD |
| TFT score (average ± SD) | 2.43 ± 0.80 |
| Lacrimal MUC5AC (pg/ml) | 4,103.33 ± 286.35 SD |
| Density goblet (cells/field) | 30.0 ± 20.0 SD |
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| |
| Score of signs (TSS) | Average ± SD |
| Hyperemia/chemosis conjunctival | 2.5 ± 0.5 |
| Mucous and serious secretions | 2.3 ± 0.7 |
| Tarsal papillae < 3 mm | 2.3 ± 0.5 |
| Tarsal papillae > 3 mm | 2.2 ± 0.4 |
| Horner–Trantas nodules | 2.5 ± 0.2 |
| Epithelial keratitis | 0.5 ± 0.02 |
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| |
| Score of symptoms (TSyS) | Average ± SD |
| Itching and photophobia | 4.0 ± 0.7 |
| Tearing | 2.1 ± 0.8 |
| Foreign body sensation | 2.0 ± 0.6 |
VKC: vernal keratoconjunctivitis; SD: standard deviation; TFT: tear ferning test.