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| VDT | SS | Normal | |
| Number of cases | 4 | 15 | 9 |
| Gender (M/W) | 2/2 | 0/15 | 7/2 |
| Mean age | 57.3 | 56.5 | 69.6 |
| LE (Number of cases) | 4 | 13 | 9 |
| TEM (Number of cases) | 4 | 12 | 4 |
VDT, VDT work related non-Sjögren's syndrome dry eye; SS, Sjögren's syndrome dry eye; M/W, man/woman; LE, light microscopy; TEM, transmission electron microscopy.
