表 2. The percentage of HEX of subjects (n=33) .

角膜塑形镜配戴者角膜内皮细胞六角形比例（n=33）

Follow-up time/month	HEX/%			Follow-up time/month	HEX/%
	Right eye	Left eye			Right eye	Left eye
Baseline	68.6±9.9	65.6±11.7		18	67.2±10.9	68.9±9.2
1	68.6±8.2	68.2±8.6		21	67.3±9.4	71.4±9.6
3	64.4±9.1	67.9±8.0		24	68.2±11.2	68.8±10.4
6	66.6±10.3	67.3±10.4		27	64.6±9.5	69.6±10.9
9	66.4±8.2	66.1±10.4		30	64.1±11.7	68.3±9.4
12	65.8±10.7	64.0±11.3		33	64.4±8.4	70.3±8.8
15	70.4±9.7	65.5±12.4		36	63.6±8.3	69.3±7.7