Table 8.

Change in corneal keratometric power and asphericity in relation to optical zone

	Change in keratometric power (D)			Change in asphericity
	Optical zone 6.00–6.50 mm	Optical zone 6.51–7.00 mm	P-value	Optical zone 6.00–6.50 mm	Optical zone 6.51–7.00 mm	P-value
Change in 3 mm zone	0.17±0.12	0.22±0.09	0.328	0.36±0.53	0.57±0.63	0.325
Change in 5 mm zone	0.13±0.10	0.17±0.07	0.306	0.31±0.32	0.41±0.27	0.412
Change in 7 mm zone	0.26±1.63	0.13±0.05	0.506	0.21±0.18	0.32±0.20	0.113

Note: Data are presented as Mean ± SD.

Abbreviation: D, diopter.