Disinsertion of the iris root from the ciliary body is known as ____________.

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Study for the NBEO Ocular Disease Part 1 Test. Use flashcards and multiple choice questions, each with hints and explanations, to prepare for your exam! Get ready for your success!

Multiple Choice

Disinsertion of the iris root from the ciliary body is known as ____________.

Explanation:
Iridodialysis is the separation of the iris root from the ciliary body, usually following blunt trauma. This detachment at the iris root leaves part of the iris no longer anchored, which can distort the pupil and may be associated with bleeding into the anterior chamber. It’s a distinct condition from other iris abnormalities: iris coloboma is a congenital notch due to incomplete closure of the fetal fissure, aniridia is the absence of the iris, and a pigment tear describes a different, non-iris-root disinsertion issue.

Iridodialysis is the separation of the iris root from the ciliary body, usually following blunt trauma. This detachment at the iris root leaves part of the iris no longer anchored, which can distort the pupil and may be associated with bleeding into the anterior chamber. It’s a distinct condition from other iris abnormalities: iris coloboma is a congenital notch due to incomplete closure of the fetal fissure, aniridia is the absence of the iris, and a pigment tear describes a different, non-iris-root disinsertion issue.

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