IFIS may refer to:
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International flag identification symbol, used to indicate characteristics of flags
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Intraoperative floppy iris syndrome
Intraoperative floppy iris syndrome (IFIS) is a complication that may occur during cataract extraction in certain patients. This syndrome is characterized by a flaccid iris which billows in response to ordinary intraocular fluid currents, a propen ...
, a medical condition
{{Disambiguation
