The authors report extensive peripheral retinoschisis in a patient with stellate nonhereditary idiopathic foveomacular retinoschisis (SNIFR) detected by widefield optical coherence tomography (OCT). A 64-year-old woman diagnosed with foveomacular retinoschisis 3 years prior presented for evaluation after being seen by multiple other retina specialists. Standard macular spectral-domain OCT (6 mm) revealed typical foveomacular schisis involving only the outer retina. However, widefield OCT (12 mm) revealed diffuse bilateral retinoschisis involving both inner and outer retinal layers in the macula and midperiphery. Widefield imaging is important to evaluate and monitor complex peripheral retinoschisis that may be otherwise undetectable using conventional techniques. [Ophthalmic Surg Lasers Imaging Retina. 2016;47:774-777.].
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