Corneal Endothelial Characteristics in Normal Chinese Han Children and Youngsters: A Study from the Specular Microscopy Descriptions

Table 2

Parameters of corneal thickness and endothelial characteristics in different age groups of normal Chinese Han children and youngsters.

Parameters	Ages 4-8	Ages 9-12	Ages 13-16	Ages 17-20	Ages 21-25	Ages 26-30	Hc/F
Counted cells ()							43.262	<0.001
CCT (μm)							2.117	0.061
ECD (cells/mm^2)							175.896	<0.001
CV (%)							115.119	<0.001
HEX (%)							79.334	<0.001
(S/μm^2)							61.226	<0.001
(S/μm^2)							121.240	<0.001
(S/μm^2)							133.426	<0.001
(S/μm^2)							200.588	<0.001

Note: CCT: central corneal thickness; ECD: endothelial cell density; CV: coefficient of variability; HEX: hexagonality; : size of minimal cell; : size of maximal cell; : average cell size; : size standard deviation.