Table 2. Change in J0 and J45 post-op vector values in cases treated with Trans epithelial PRK and Femtosecond LASIK procedure after 1,3 and 6 months.

	T-PRK	FS-LASIK
1-month J0	ΔJ0=0.257-1.644J0, r=0.818	ΔJ0=0.024-1.020J0, r=0.936
1-month J45	ΔJ45=0.047-1.448J45, r=0.894	ΔJ45=-0.026-1.008J45, r=0.943
3 months J0	ΔJ0=0.243-1.421J0, r=0.853	ΔJ0=0.060-1.113J0, r=0.969
3 months J45	ΔJ45=0.069-1.139J45, r=0.888	ΔJ45=0.005-0.797J45, r=0.800
6 months J0	ΔJ0=0.190-1.328J0, r=0.902	ΔJ0=-0.056-0.964J0, r=0.953
6 months J45	ΔJ45=0.063-0.973J45, r=0.875	ΔJ45=-0.017-1.023J45, r=0.913