Grid photocoagulation improves reading ability in diffuse diabetic macular oedema

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Abstract
Forty-eight patients with diffuse diabetic macular oedema were treated with perifoveal blue/ green Argon 'grid' laser photocoagulation. Clinical assessment of patients was supported by serial fluorescein angiography. Patients were followed up for one year after treatment, and a two year follow-up was obtained in 29 patients. Statistical analysis showed no significant improvement in distance acuity, but demonstrated clear benefit as regards reading ability.