The Pupil Snap Sign of Posterior Capsular Rupture

Ronald Yeoh, MD, describes the "pupil snap" sign which signals posterior capsular rupture during hydrodissection. He shares several cases in which hydrodissection was performed when the anterior chamber is a closed system. The "pupil snap" sign is a sign a hydro rupture of the posterior capsule and occurs when the fluid wave is obstructed by cortical adhesions.

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