{"data":{"id":"us/21-cfr-886.1690","jurisdiction":"us","citation":"21 CFR 886.1690","heading":"Pupillograph.","body":"(a) Identification. A pupillograph is an AC-powered device intended to measure the pupil of the eye by reflected light and record the responses of the pupil.\n(b) Classification. Class I (general controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter, subject to the limitations in § 886.9.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER H—MEDICAL DEVICES","PART 886—OPHTHALMIC DEVICES","Subpart B—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":"85b1b0276e8090e15cd417fe1068e1ca2fb670fb46a4c98e25004315254308fd","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-886.1680","next":"us/21-cfr-886.1700"},"notice":"GroundRules: Original legal text. Not legal advice."}