[Retracted] Clinical Study on the Differential Diagnosis of High Myopia Astigmatism and Subclinical Keratoconus in Adolescents by Pentacam Anterior Segment Analyzer

Table 1

Comparison of the parameters of the two groups ( ± s).

Group	n	The thinnest corneal thickness (μm)	The anterior vertex height of the thinnest point of the cornea (μm)	The posterior vertex height of the thinnest point of the cornea (μm)	IVA	IHD	Pachymetric progression index (PPI)
Simple high myopia astigmatism group	73	529.74 ± 57.12	4.37 ± 2.01	8.56 ± 2.74	0.151 ± 0.026	0.010 ± 0.002	1.07 ± 0.23
Subclinical keratoconus group	51	501.35 ± 44.89	6.61 ± 2.34	14.05 ± 3.26	0.248 ± 0.041	0.019 ± 0.006	1.27 ± 0.31
t		2.966	5.705	10.149	16.115	11.921	4.124
value		0.004	0.001	0.001	0.001	0.001	0.001