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- W2140993894 abstract "Citation information: Evans BJW, Yu CS, Massa E & Mathews JE. Randomised controlled trial of intermittent photic stimulation for treating amblyopia in older children and adults. Ophthalmic Physiol Opt 2011, 31, 56–68. Abstract The treatment of amblyopia is reviewed and it is noted that in addition to conventional ‘passive treatment’ in children with occlusion, it has been argued that ‘active treatment’ may be effective in older children and adults. Intermittent photic stimulation (IPS) is one such active treatment. In Study 1, we report a clinical audit of 21 patients treated with IPS, which demonstrated that the maximum improvement is reached after 6 half hour sessions. Study 2 is a double-masked randomised controlled trial comparing IPS with a control treatment in 30 participants aged 10–57 years. Using a sensitive staircase measure of visual acuity (VA), the IPS group improved by about one line (p = 0.0053). The mean improvement was significantly greater (unpaired t-test, p = 0.022) in the IPS group (mean 0.096; S.E.M. 0.029) than in the control group (mean 0.019; S.E.M. 0.022). The improvement occurred in participants with strabismic amblyopia, but not in those with anisometropic amblyopia. Follow up data after about 1 year showed that VA had regressed to pre-treatment levels. The results are discussed within the context of another development in active amblyopia therapy, perceptual learning. The literature on this therapy reveals improvements in VA of about 2.5 lines in older children and adults with anisometropic amblyopia. It is concluded that perceptual learning is likely a better treatment option than IPS for anisometropic amblyopes, and probably also for strabismic amblyopes although a randomised controlled trial is required. It is noted that the existence of effective treatments for adults does not detract from the need to treat amblyopia in younger children." @default.
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- W2140993894 date "2010-12-13" @default.
- W2140993894 modified "2023-10-15" @default.
- W2140993894 title "Randomised controlled trial of intermittent photic stimulation for treating amblyopia in older children and adults" @default.
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- W2140993894 doi "https://doi.org/10.1111/j.1475-1313.2010.00801.x" @default.
- W2140993894 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/21158885" @default.
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