Evaluation of Corneal Higher-Order Aberrations by Scheimpflug–Placido Topography in Patients with Different Refractive Errors: A Retrospective Observational Study

Table 1

Demographic and refractive data of all groups.

	Age	M/F	Sphere	Cylinder	Spherical equivalent
Low and moderate myopia	27.48 ± 9.51	107/95	−2.5 ± 2.8	−0.4 ± 0.4	−2.7 ± 1.50
High myopia	26.3 ± 9.9	97/87	−7.6 ± 1.8	−0.53 ± 0.32	−7.8 ± 1.50
Myopic astigmatism	27.1 ± 6.9	91/108	−4.2 ± 2.1	−2.1 ± 1.9	−5.25 ± 1.06
Hypermetropic astigmatism	29.2 ± 9.2	33/49	3.2 ± 2.8	1.8 ± 2.2	4.1 ± 2.1
Hypermetropia	30.79 ± 11.56	40/61	3.7 ± 2.2	0.26 ± 0.5	3.83 ± 2.31