Age-related changes in corneal thickness and endothelial characteristics

Figures & data

Table 1 The average subjects’ age in each group

Age (years)	Minimal value	Maximal value	Average	Standard deviation
20–29	20	28	23	1
30–39	30	39	34	3
40–49	40	49	46	3
50–59	50	59	54	3
60–69	60	69	65	2
70–79	70	79	76	3
80–89	80	89	84	3

Table 2 The average endothelial cell density (cells/mm²) in each group

Age (years)	Number of eyes examined	Minimal value	Maximal value	Average	Standard deviation
20–29	55	2,232	3,610	2,931	371
30–39	45	2,353	3,279	2,820	203
40–49	45	2,160	3,546	2,660	301
50–59	55	2,062	3,571	2,630	306
60–69	55	2,015	3,003	2,518	281
70–79	55	2,062	2,762	2,341	167
80–89	48	2,002	2,597	2,222	182

Table 3 The average central corneal thickness (μm) in each group

Age (years)	Number of eyes examined	Minimal value	Maximal value	Average	Standard deviation
20–29	55	474	646	563	44
30–39	45	477	640	561	36
40–49	45	494	681	559	42
50–59	55	459	647	553	43
60–69	55	495	630	555	35
70–79	55	448	672	551	46
80–89	48	430	637	540	35

Figure 1 The change in endothelial cell density across age groups.

Figure 2 The change in central corneal thickness across age groups.

Figure 3 The change in average cell size across age groups.

Figure 4 The change in the coefficient of variation in average cell size across age groups.

Figure 5 The change in the percentage of regular hexagonal cells across age groups.