Table 1. Parameter estimates for fits to Eq. (1) for image-based TCA measurements (all aberrations corrected).

Subject	m(x, y) (arcmin/mm)	TCA(0, 0) (arcmin)
20036	3.92, 3.74	1.89, 0.01
20075	4.19, 4.04	0.62, −0.36
20076	3.97, 3.71	−1.08, 0.61
20109	3.82, 3.83	1.32, −1.20
20112	3.65, 3.77	0.26, −0.87
mean	3.91, 3.82	0.60, −0.36