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Start with what happened, not a conclusion about why

Write down the event while the details are fresh. State what you observed, when it began, whether exposure stopped, and what happened next. Record a clinician's findings separately from your own description. “My vision became blurred after the session” is an observation; “the LEDs damaged my retina” is a medical and causal conclusion that requires assessment.

You can raise a suspected problem without knowing its cause. FDA guidance encourages voluntary reports of significant adverse events and product problems, including use errors and quality concerns. Reporting data alone cannot establish causation or calculate how often an event occurs. [1]

Then use three routes according to the need: a healthcare professional for symptoms, the manufacturer or supplier for a device investigation, and the relevant official service for a safety report. A warranty request and a safety report serve different purposes. Keep their reference numbers together so later information can be matched to the same event.

Record the device, exposure and symptoms

The checklist below is a practical way to organize information, not a mandatory international form. Complete what you know and label missing details “unknown.” FDA's reporting instructions request precise identifiers, a description of the event and relevant medical context; its consumer form says to report even when some information is unavailable. [2] [3]

Distinguish a displayed setting from measured output

“Level 3” records a control setting; it does not by itself establish irradiance or dose. If an optical measurement already exists, attach the original report with its instrument, calibration, units, light channels and measurement position. NIST's spectral irradiance reference addresses calibration and uncertainty; it is not a home testing protocol or a certificate for your device. [11] Do not switch on a suspect device solely to obtain a reading or a video.

A concise incident summary you can adapt

Use this sequence in your own words: device identifiers → event date and setting → mode and exposure as used → observed problem → symptoms and timing → action taken and outcome → records available → unknowns. This structure helps distinguish an exposure record from a diagnosis. It does not replace the questions in the official form.

Preserve the device and the instructions

Keep the suspect device out of use while the concern is assessed. MHRA advises against throwing away or repairing a device involved in an incident and says not to send it to the agency unless specifically requested. [4] Avoid opening the casing, altering components or resetting records merely to troubleshoot. Retain its accessories, labels, packaging and the IFU version available at the time.

Document its condition without powering it up. If return or examination is requested, ask for handling and shipping instructions, keep copies of your records and note who received the device and when. Preserving evidence must not put you at risk: a hot, damaged or otherwise hazardous electrical item needs appropriate safety handling, not casual storage or mailing.

Do not invent a cleaning or disinfection procedure to prepare it for investigation. Ask the recipient for instructions compatible with the device and its condition. Likewise, an unresolved safety report does not establish a safe restart interval or authorize a lower-intensity “test.”

Choose the reporting route for your market

Start with the product's actual identity and the country where the event occurred. The routes below concern medical-device safety reporting; calling a product “light therapy” does not establish its legal classification. If its status or the right route is unclear, seek direction from the relevant authority and give the labels and intended-use wording rather than guessing. These links were checked on 10 October 2026.

Healthcare reporting is not a request for a refund, and submitting a report is not confirmation that a product is approved, compliant or unsafe. For professionals, local incident procedures and applicable reporting duties may require additional action; this consumer-oriented overview does not determine those obligations. [1] [4]

Common reporting misconceptions

• “I must prove causation first.” A suspected association can be reported. Describe the sequence honestly and leave the causal assessment open. [1]
• “I need to recreate the fault.” Existing observations and records are useful. Do not expose yourself or a client again to make the report more convincing.
• “A recall applies to every LED mask.” TGA's 2019 Neutrogena red/blue acne-mask recall concerned that named device and identified a potentially susceptible subset. It cannot establish the same risk for every light therapy device. [10]
• “Report counts tell me the risk percentage.” FDA explains that passive device reports alone cannot establish incidence, prevalence or causation. A report total is not a denominator-based clinical risk estimate. [1]

FAQ

Can I report without a serial number or a complete timeline?

Provide what you have and identify what is missing. FDA's consumer form explicitly allows an incomplete information set. A photograph of the label or packaging can help with identification; do not invent a number or delay healthcare while searching. [3]

Does an unclear instruction or near miss count?

A safety concern need not involve a completed injury. FDA's instructions address device use errors and close calls, including problems involving labeling or the use environment. Scotland's NSS route also covers near misses within its stated remit. Describe the actual outcome and follow the receiving service's criteria. [2] [8]

Should I post symptoms and medical records publicly?

Use the healthcare, supplier and official reporting channels for relevant sensitive information. Read the form's privacy notice before submitting: FDA's consumer form explains that reporter contact details may be shared with the manufacturer unless the reporter requests otherwise. A public review does not replace a safety report. [3]

What if information changes after I report?

Keep the acknowledgement and reference number. Ask the receiving service how to add new clinical findings, corrected dates or device information to the existing report. Preserve your original account and clearly label corrections so a later interpretation is not mistaken for an observation made at the time.

The next step

Address symptoms through the appropriate healthcare route, preserve a factual record and keep the device available for a safe investigation. Uncertainty belongs in the report; it is not a reason to dismiss an incident or to claim a cause that has not been established.