Table 2.

Corneal epithelial cell density, morphology and corneal sensation parameters in Herpes Simplex Virus Keratitis, contralateral clinically unaffected eyes, and control groups.

	Superficial epithelial cell density	Basal epithelium cell density	Anterior keratocytes density	Posterior keratocytes density	Superficial epithelial cell size	Hyperreflective superficial epithelial cells
Normal corneal sensation	1628.33 ± 348.12 cells/mm2	5327.01 ± 251.2 cells/mm2	777.1 ± 35.3 cells/mm2	589.33 ± 47.32 cells/mm2	330.25 ± 216.23 μm2	6.4% ± 16.23%
Mild corneal sensation loss	1382.5 ± 73.55 cells/mm2	4880.32 ± 200.28 cells/mm2	682.4 ± 69.54 cells/mm2	584.11 ± 45.38 cells/mm2	654.3 ± 328.15* μm2	29.1% ± 12.33%*
Severe corneal sensation loss	852.50 ± 24.4* cells/mm2	4963.50 ± 120.2 cells/mm2	669.7 ± 120.32 cells/mm2	583.11 ± 54.74 cells/mm2	835.3 ± 50.30* μm2	52.2% ± 13.78%*
Controls	2435.23 ± 224.3 cells/mm2	5962.50 ± 83.21 cells/mm2	901.2 ± 75.56 cells/mm2	603.32 ± 55.34 cells/mm2	407.4 ±47.2 μm2	0%

Values reported as mean ± standard deviation. HSK: herpes simplex keratitis.

^*Statistically significant (p<0.05) compared to controls.