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Published on: December 11, 2017
Bleb incarceration following Ahmed valve surgery
Fredric J Gross1, Giovanni DiSandro1
1Department of Ophthalmology, Eastern Virginia Medical School, Norfolk, VA, USA.
Globe luxation, where the eye gets trapped behind eyelids, can cause vision loss. Bleb needling successfully treated a rare case of globe luxation caused by a filtering bleb after glaucoma surgery.
Area of Science:
- Ophthalmology
- Ophthalmic Surgery
Background:
- Globe luxation is a painful condition where the eye is trapped behind the eyelids, potentially causing vision loss.
- Risk factors include conditions displacing the globe or eyelid laxity, often triggered by eyelid manipulation or increased intraorbital pressure.
Observation:
- A patient presented with symptoms mimicking globe luxation after Ahmed valve surgery for glaucoma.
- The patient's upper eyelid became entrapped over a superotemporal filtering bleb while instilling glaucoma medication.
Findings:
- Standard globe repositioning techniques were ineffective in this unique case.
- Bleb needling was successfully employed to resolve the globe entrapment and restore the eye's normal position.
Implications:
- This case highlights a novel cause of globe luxation secondary to filtering blebs from glaucoma surgery.
- Bleb needling presents a viable alternative treatment for similar complex globe entrapment scenarios.
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