Editor,—The article by Newsom et al 1 on transpupillary thermotherapy (TTT) raises more questions than it is able to answer. Although TTT is definitely a method which seems to show a certain efficacy in occult choroidal neovascularisation (CNV) and thus warrants further investigation, we must take issue with the authors' conclusions concerning its use in classic CNV. The authors state that 78% of the predominantly occult membranes and 75% of the predominantly classic membranes closed as a result of TTT. This seems …