MAUDE Adverse Event Report: WAVELIGHT GMBH WAVELIGHT EX500 EXCIMER LASER; OPHTHALMIC EXCIMER LASER SYSTEM

Catalog Number	8065990794
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Codes	Keratitis (1944); Blurred Vision (2137); Visual Disturbances (2140); Appropriate Clinical Signs, Symptoms and Conditions Term/Code Not Available (4581)
Type of Reportable Event	Serious Injury
Event or Problem Description
A non-healthcare professional reported that the patient had experienced diffuse lamellar keratitis and central toxic keratopathy, with specific symptoms including blurry vision and light sensitivity in the right eye after lasik surgery.The patient is currently undergoing treatment with oral medications and durezol, but the symptoms have not resolved.There are multiple related reports for this event.This report addresses the patient (unk), right eye and other manufacturer reports will be filed.
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 review of the device history record traceable to the reported serial number indicates that the product was processed and released according to the product¿s acceptance criteria.A review of the technical service onsite history showed no abnormalities that could have contributed to this event, laser was successfully verified prior to complaint date of first receipt.Most recent technical site visit confirmed device met specifications as service installation record.Not enough information was provided to properly complete an investigation.The root cause could not be identified by the investigation.The manufacturer internal reference number is: (b)(4).

• Brand Name: WAVELIGHT EX500 EXCIMER LASER
• Common Device Name: OPHTHALMIC EXCIMER LASER SYSTEM
• Manufacturer (Section D): WAVELIGHT GMBH; am wolfsmantel 5; erlangen 91058 ; GM 91058
• Manufacturer (Section G): WAVELIGHT GMBH; am wolfsmantel 5; erlangen 91058 ; GM 91058
• Manufacturer Contact: jonathan schlech ; 6201 south freeway; mail stop ab2-6; fort worth, TX 76134 ; 8007579780
• MDR Report Key: 21644904
• Report Number: 3003288808-2025-00089
• Device Sequence Number: 7662372
• Product Code: LZS
• UDI-Device Identifier: 00380659907944
• UDI-Public: (01)00380659907944(17)410720(11)210720(10)140U4V
• Combination Product (Y/N): N
• Initial Reporter State: NY
• Initial Reporter Country: US
• PMA/510(K) Number: P020050
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 06/20/2025

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Operator of Device: Health Professional
• Device Catalogue Number: 8065990794
• Device Lot Number: 140U4V
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 02/22/2025
• Supplement Date Received by Manufacturer: 05/28/2025
• Initial Report FDA Received Date: 03/19/2025
• Supplement Report FDA Received Date: 06/20/2025
• Date Device Manufactured: 07/20/2021
• 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
• Outcome Attributed to Adverse Event: Other; Required Intervention
• Patient Sex: Unknown