Occlusion studies are ambiguous

The editorial1 and report2 about occlusion treatment for amblyopia include ambiguities. Loudon and Simonz did not consider anatomic defects as the aetiology for severe visual impairments, attributing poor outcomes solely to compliance failure.1

Amblyopia is a diagnosis of exclusion applied after eliminating organic causes of impaired vision. Optic nerve hypoplasia, for …