Table 2. Smallest detectable change in various parameters which we would have detected given our sample size. ‘Change’ refers to the difference across the 8 weeks of the study.

Parameter	Smallest detectable change between visits	Units
Near stereo threshold (Frisby)	28	arcsec
Distance stereo threshold (FD2)	13	arcsec
Binocular visual acuity with best correction at 0.4 m	0.07	logMAR
Binocular visual acuity with best correction at 6 m	0.05	logMAR
Time taken on coordination task, before TV	21	Seconds
Accuracy on coordination task, before TV	14	Percent time buzzing, before TV
Change in time taken on coordination task, before vs. after TV	5.8	% change before vs. after TV
Time taken on ramp task, before TV	2.3	Seconds
Time taken on beam task, before TV	4.4	Seconds
Time taken on steps task, before TV	2.4	Seconds
Accuracy on steps task, before TV	0.5	Number of blocks displaced