The surgeon implanted a vicm5 13.2 -07.00d implantable collamer lens into the patient's right eye (od) on (b)(6) 2024.Concomitant products used intraoperatively include opegan and the msi injector delivery system.Toxic anterior segment syndrome ( tass) was observed and per reporter, unknown diagnostics and treatment were performed.On (b)(6) 2024 (day 8) the lens was exchanged.Anterior chamber irrigation and evacuation of visco/fluids was performed.The lens was exchanged with another icl of the same model, length, and power.Problems resolved.The last report was received on 02-apr-2024.In the reporter's opinion, the cause of the event was unknown.Additional information has been requested but none has been forthcoming.
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A4: unk.A5: unk.A6: unk.H6 - work order search: another similar complaint was reported for units within the same lot.H11: manufacturer narrative: a review of the device labeling was completed.The dfu provides the surgeon instruction for complete ovd removal.Precaution: (6) after inserting this product, aspirate the viscoelastic substance completely from inside the eye.Do not use highly viscous viscoelastic substances that are difficult to aspirate completely.Given the information that additional procedure for visco/fluids was performed it is very likely that the event was not device related in origin.Toxic anterior segment syndrome (tass) is an acute sterile postoperative inflammation that can occur after uncomplicated or complicated intraocular surgery.While improper sterilization and contamination of surgical instruments remains the most common risk factor associated with tass, ocular viscoelastic, and improper preparation of antibiotics for intracameral injection may also lead to tass.To date both the crystalline lens and the icl remain implanted.Claim # (b)(4).
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