Cataract Quiz: Why did this happen?

Looking at this picture, the pupil dilation went from 5 mm in diameter to 10 mm in diameter in just one second. When the IA probe was placed into the anterior chamber, the infusion pressure caused the anterior chamber to deepen and the pupil to dilate. Why did this happen? And what is the correct response from the surgeon? And while lowering the infusion pressure (or lowering the bottle height) may help to a degree, this is not the best approach. Let me teach you the secret surgical pearl for resolving this issue.

Click below to learn why this happened and how to resolve this situation:


    1. It can help since it allows passage of fluid between the anterior chamber and posterior chamber. You could also just place a single iris hook to tent up the iris during the case.

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