In Vivo Confocal Microscopy Observation of Cell and Nerve Density in Different Corneal Regions with Monocular Pterygium

Table 2

Differences in the number of cells and nerve parameters in the central cornea, area adjacent to the head of pterygium, region above pterygium, and region below pterygium.

Layers	Central cornea	Pterygium	Region above pterygium	Region below pterygium	Temporal cornea
Basal epithelial cells (cells/mm^2)	6497 ± 1776	5580 ± 1294	6097 ± 1281	5463 ± 1007	6270 ± 1170
Anterior stromal cells (cells/mm^2)	742 ± 243	587 ± 189	625 ± 154	492 ± 159	574 ± 164
Posterior stromal cells (cells/mm^2)	435 ± 74	436 ± 99	403 ± 82	400 ± 83	390 ± 69
Endothelial cells (cells/mm^2)	2398 ± 260	2296 ± 231	2276 ± 372	2272 ± 400	2300 ± 303
Dendritic cells (cells/mm^2)	53 ± 48	250 ± 224	103 ± 47	90 ± 48	50 ± 41
CNFD (n/mm^2)	12.14 ± 3.63	8.09 ± 3.63	9.36 ± 4.67	8.47 ± 4.88	9.95 ± 3.42
CNFL (mm/mm^2)	30.76 ± 6.91	22.97 ± 8.10	26.04 ± 11.08	21.91 ± 9.38	27.02 ± 8.99
CNBD (n/mm^2)	15.78 ± 15.50	8.40 ± 5.09	10.61 ± 5.78	14.42 ± 11.44	9.45 ± 9.01
CNFT	0.84 ± 0.86	1.11 ± 0.87	0.52 ± 0.59	0.96 ± 0.81	1.27 ± 1.08

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