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Sweeping technique for the removal of emulsified silicone oil droplets from the anterior surface of the iris using an ophthalmic absorption sponge.
Retinal Cases & Brief Reports 2023 December 27
PURPOSE: Silicone oil (SO) tamponade is frequently used in complex vitreoretinal surgeries, and SO migration into the anterior chamber can lead to complications such as glaucoma and corneal decompensation. A new technique is described for the efficient removal of emulsified SO droplets, which can adhere strongly to the anterior surface of the iris.
METHODS: The tip of an ophthalmic absorption sponge was cut to an approximately 1x1 mm size. Using forceps, the sponge was inserted through a 25-gauge trocar, then through a corneal paracentesis, to gently scrape the surface of the iris to dislodge the adherent SO droplets, which were subsequently aspirated.
RESULTS: This technique efficiently and effectively dislodged and mobilized most emulsified SO droplets, thereby allowing removal via aspiration using a vitrector. Two months after surgery, the retina remained attached, the intraocular pressure decreased from 18 mmHg to 15 mmHg, and there were no visible SO droplets in the anterior chamber.
CONCLUSION: The sweeping technique is a safe and efficient method to dislodge, mobilize and aspirate emulsified SO droplets that are adherent to the anterior surface of the iris, thereby decreasing the risk of future SO-related complications.
METHODS: The tip of an ophthalmic absorption sponge was cut to an approximately 1x1 mm size. Using forceps, the sponge was inserted through a 25-gauge trocar, then through a corneal paracentesis, to gently scrape the surface of the iris to dislodge the adherent SO droplets, which were subsequently aspirated.
RESULTS: This technique efficiently and effectively dislodged and mobilized most emulsified SO droplets, thereby allowing removal via aspiration using a vitrector. Two months after surgery, the retina remained attached, the intraocular pressure decreased from 18 mmHg to 15 mmHg, and there were no visible SO droplets in the anterior chamber.
CONCLUSION: The sweeping technique is a safe and efficient method to dislodge, mobilize and aspirate emulsified SO droplets that are adherent to the anterior surface of the iris, thereby decreasing the risk of future SO-related complications.
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