. Author manuscript; available in PMC: 2017 Aug 1.

Published in final edited form as: Adv Ophthalmol Optom. 2016 Aug;1(1):287–305. doi: 10.1016/j.yaoo.2016.03.007

Table 1.

Mean visual acuity (VA) improvement by prescribed treatment in moderate and severe amblyopia in 3 to <7 years in old children.

Depth of Amblyopia	Prescribed Treatment	Mean VA Improvement^a (logMAR lines)	Post-Treatment Mean VA	≥ 2 Lines of Improvement from Baseline (%)
Moderate Amblyopia	2 hours patching	2.4	20/32	79
Moderate Amblyopia	6 hours patching	2.4	20/32⁻¹	76

Severe Amblyopia	6 hours patching	4.8	20/50	93
Severe Amblyopia	Full-time patching	4.7	20/50⁻²	85

Moderate Amblyopia	≥ 6 hours patching	3.16	20/30	87
Moderate Amblyopia	Daily atropine	2.84	20/30⁻²	82

At the primary outcome visit; does not indicate maximum improvement achieved