MAUDE Adverse Event Report: RXSIGHT, INC. LIGHT DELIVERY DEVICE (LDD)

Model Number	61002-006
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Keratitis (1944)
Date of Event	01/15/2026
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
The device history record was reviewed and there were no discrepancies or unusual findings.Manufacturer reference #:(b)(4).
Event or Problem Description
A physician reported to rxsight that a patient was diagnosed with herpes zoster ophthalmicus (hzo) with corneal involvement on (b)(6) 2026 following a recent lock-in treatment on (b)(6) 2026.Antiviral medication was prescribed for the patient.On (b)(6) 2026, patient's symptoms were resolved.The treating physician kept patient on antiviral medication as prophylactic treatment through the final lock in.

• Brand Name: LIGHT DELIVERY DEVICE (LDD)
• Common Device Name: LIGHT DELIVERY DEVICE (LDD)
• Manufacturer (Section D): RXSIGHT, INC.; 100 columbia; aliso viejo CA 92656
• Manufacturer (Section G): RXSIGHT, INC.; 100 columbia; aliso viejo CA 92656
• Manufacturer Contact: jim zhang ; 100 columbia; aliso viejo, CA 92656 ; 9492736163
• MDR Report Key: 24491855
• Report Number: 3012712027-2026-00102
• Device Sequence Number: 18808076
• Product Code: PZK
• UDI-Device Identifier: 00818806020029
• UDI-Public: 010081880602002911180930
• Combination Product (Y/N): N
• Initial Reporter State: ND
• Initial Reporter Country: US
• PMA/510(K) Number: P160055
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 03/02/2026

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 Model Number: 61002-006
• Device Catalogue Number: 61002-006
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 02/03/2026
• Initial Report FDA Received Date: 03/02/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 09/01/2018
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 64 YR
• Patient Sex: Female
• Patient Ethnicity: Non Hispanic