Table 3.

Data collection schedule

Data collection visits	Baseline	1-month visit*	Every 6 months
Refraction (subjective and objective)
Pre-cycloplegic	X	X	X
Post-cycloplegic	X		X
High-contrast VA (habitual and best corrected)
Pre-cycloplegic	X	X	X
Post-cycloplegic	X		X
Biomicroscopy	X	X	X
Corneal topography	X	X	X
Axial length	X	X	X
Ocular aberration	X		X
Corneal biomechanics	X		X
Anterior OCT	X		X
Posterior OCT	X		X

*Only for subjects in both ortho-k groups.

OCT, optical coherence tomography; VA, visual acuity.