What is the main etiology of Iridodialysis?

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

What is the main etiology of Iridodialysis?

Explanation:
Trauma is the main cause of iridodialysis. This condition is a tear at the iris root where it attaches to the ciliary body, most commonly from blunt eye trauma. The sudden deceleration and force create a shearing effect across the iris insertion, causing the iris to separate from its origin. Infections, ischemia, or degeneration don’t produce this mechanical detachment of the iris root; they affect tissue health or blood supply instead, making trauma the correct etiology for iridodialysis.

Trauma is the main cause of iridodialysis. This condition is a tear at the iris root where it attaches to the ciliary body, most commonly from blunt eye trauma. The sudden deceleration and force create a shearing effect across the iris insertion, causing the iris to separate from its origin. Infections, ischemia, or degeneration don’t produce this mechanical detachment of the iris root; they affect tissue health or blood supply instead, making trauma the correct etiology for iridodialysis.

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