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We read with interest the article in the May 2003 issue of the ARCHIVES¹ showing no difference in improvement of visual acuity between 2 groups of children with amblyopia who were prescribed 2 or 6 hours of patching. However, we think that we should not rush to conclusions without considering the important issue of compliance. Our results, shown here, support this concept. In the ARCHIVES study, the mean increase in visual acuity was 2.4 lines in both groups, and 62% of patients reached a visual acuity of 20/32 or an increase in visual acuity of 3 or more lines. A better visual acuity outcome would have been desirable because the children had only moderate amblyopia, and thus a better improvement would have been expected. The main change in visual acuity occurred in the first 5 weeks (mean, 0.19 logMAR lines), while the change in visual acuity in the next 12 . . . [Full Text of this Article]

Irene Gottlob, MD; Musarat Awan, BMedSci; Frank Proudlock, PhD
Leicester, England