A young woman presents with blurred vision. Why?

Analysis
In the vitreous there is a dusting of hyperreflective spots. This is consistent with a low-grade posterior vitritis. In the deep retina, there is thinning of the external limiting membrane and disruption of the ellipsoid zone. There is also hyperreflectivity at the level of the RPE. This corresponded to a series of deep white retinal lesions (video).
The patient was treated for multiple evanescent white dot syndrome (MEWDS).
In this tip's accompanying 15 min. video, we'll review:
- Review the concept of “white dot syndromes”
- Learn how to diagnose a patient with MEWDS
- Learn how MEWDS is differentiated from other causes of white dot syndromes

OCT Tip
In a healthy young patient with new onset blurring, MEWDS is a possibility.
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