{"data":{"id":"us/21-cfr-882.1890","jurisdiction":"us","citation":"21 CFR 882.1890","heading":"Evoked response photic stimulator.","body":"(a) Identification. An evoked response photic stimulator is a device used to generate and display a shifting pattern or to apply a brief light stimulus to a patient's eye for use in evoked response measurements or for electroencephalogram (EEG) activation.\n(b) Classification. Class II (performance standards).","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER H—MEDICAL DEVICES","PART 882—NEUROLOGICAL DEVICES","Subpart B—Neurological Diagnostic Devices"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"12f4cd2094287237d857c867bf62764472833dbf940eed39de5b920795039fb1","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-882.1880","next":"us/21-cfr-882.1900"},"notice":"GroundRules: Original legal text. Not legal advice."}