MAUDE Adverse Event Report: ALCON RESEARCH, LLC - IRVINE TECHNOLOGY CENTER LENSX LASER SYSTEM; OPHTHALMIC FEMTOSECOND LASER

Model Number	550
Medical Device Problem Code	Failure to Cut (2587)
Health Effect - Clinical Code	Insufficient Information (4580)
Date of Event	02/18/2026
Type of Reportable Event	Malfunction
Event or Problem Description
A physician reported that the inadequate incision part was found on the flap creation, when they checked a line-shaped scratch was found on the patient interface surface, flap incision was performed manually in unknown eye of the patient during refractive surgery.The cornea was uneven, surgeon was noticed similar defects since last month and too many problems.
Additional Manufacturer Narrative
H.3., h.6.: investigation, including root cause analysis, is in progress.A supplemental mdr will be filed as necessary in accordance with 21 cfr 803.56 when additional reportable information becomes available.The manufacturer internal reference number is: (b)(4).
Additional Manufacturer Narrative
Additional information provided in h.3., h.6., and h.11.A manufacturing device history record review was performed prior to product release to ensure that the product was manufactured in compliance with the device master record.Service history was reviewed for the system.There was no service record (relevant to the reported event), found.However, the system was last serviced prior to the reported event per service record.The system was found to meet all cosmetic and performance standards.A number of contributing surgical factors (or variables) can contribute to the reported incomplete or irregular flap issues.By proactively implementing preventive strategies to optimize surgical outcomes, surgeons will prioritize patient safety during surgery procedures.However, based on the information obtained at this time, the root cause remains inconclusive.The manufacturer internal reference number is: (b)(4).

• Brand Name: LENSX LASER SYSTEM
• Common Device Name: OPHTHALMIC FEMTOSECOND LASER
• Manufacturer (Section D): ALCON RESEARCH, LLC - IRVINE TECHNOLOGY CENTER; 15800 alton parkway; irvine CA 92618
• Manufacturer (Section G): ALCON RESEARCH, LLC - IRVINE TECHNOLOGY CENTER; 15800 alton parkway; irvine CA 92618
• Manufacturer Contact: jonathan schlech ; 6201 south freeway; mail stop ab2-6; fort worth, TX 76134 ; 8007579780
• MDR Report Key: 24598128
• Report Number: 2028159-2026-00336
• Device Sequence Number: 9561044
• Product Code: OOE
• UDI-Device Identifier: 00380659981623
• UDI-Public: (01)00380659981623(17)270310(11)170403(10)NA
• Combination Product (Y/N): N
• Initial Reporter Country: JA
• PMA/510(K) Number: K163551
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 05/18/2026

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Model Number: 550
• Device Catalogue Number: 8065998162
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 02/19/2026
• Supplement Date Received by Manufacturer: 04/29/2026
• Initial Report FDA Received Date: 03/13/2026
• Supplement Report FDA Received Date: 05/18/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 04/03/2017
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Reuse
• Patient Sequence Number: 1
• Concomitant Medical Products and Therapy/Usage Dates: LENSX LASER SYSTEM
• Patient Sex: Unknown