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What Is Iris Prolapse?

Iris prolapse occurs when iris tissue protrudes through a corneal or surgical wound, usually after trauma or a complication during eye surgery. The exposed tissue becomes trapped at the wound site, affecting pupil shape and internal eye pressure. People often notice sudden blur, discomfort, or visible tissue at the corneal edge. Prompt evaluation is important because prolonged exposure increases the risk of infection. Treatment depends on wound stability and tissue viability.

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What Is Iris Prolapse?

Iris prolapse occurs when iris tissue protrudes through a corneal or surgical wound, usually after trauma or a complication during eye surgery. The exposed tissue becomes trapped at the wound site, affecting pupil shape and internal eye pressure. People often notice sudden blur, discomfort, or visible tissue at the corneal edge. Prompt evaluation is important because prolonged exposure increases the risk of infection. Treatment depends on wound stability and tissue viability.

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Causes of Iris Prolapse

Trauma that creates a full-thickness corneal or scleral wound is the most common cause. Surgical incisions that reopen or leak can also allow iris tissue to slip forward. High internal pressure may push the iris outward. Poor wound healing increases risk. Early detection helps prevent complications.

Symptoms of Iris Prolapse

People may see a dark or reddish spot at the wound site. Vision often becomes blurred. Discomfort or irritation increases as the tissue dries. Sensitivity to light may worsen. Pupil shape may appear distorted.

How It Is Diagnosed

Doctors inspect the wound under magnification. Fluorescein dye helps detect leakage. Pupil behavior is assessed for abnormalities. Pressure measurements rule out spikes that worsen prolapse. Findings guide whether repositioning or surgery is needed.

Treatment for Iris Prolapse

Small recent prolapses may be repositioned with medication and gentle manipulation. Larger or older prolapses often need surgical repair. The wound is closed securely to prevent recurrence. Lubrication protects exposed tissue until surgery. Follow-up checks wound sealing and pressure stability.

Frequently Asked Questions About Iris Prolapse

Is this an emergency?

Yes, especially if the wound is open or leaking.

Can vision recover?

Recovery depends on the wound and iris damage.

Can it recur?

It can if the wound does not seal fully.

When should I seek care?

Seek care immediately after trauma or sudden wound leakage.