• Three patients with long-standing diabetes manifested reduced visual acuity and notable bilateral symmetrical cystoid maculopathy, with no other sign of meaningful background diabetic retinopathy, eg, minimal to no microaneurysms, hemorrhages, or exudates. Results of fluorescein angiography showed that the entire retinal capillary bed in the macula was dilated and leaked fluorescein diffusely and profusely, but also showed that there was excellent capillary perfusion. Argonlaser photocoagulation was applied to one eye of each patient in an attempt to resolve the cystoid maculopathy. The laser treatment effectively resolved the edema in the specific areas of treatment, but the foveal and perifoveal areas, which were not treated, showed no areas of resolution of the cystoid edema in two cases and no improvement (and no decrease) in visual acuity in all three cases.
Schatz H, Patz A. Cystoid Maculopathy in Diabetics. Arch Ophthalmol. 1976;94(5):761–768. doi:10.1001/archopht.1976.03910030369004
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