{"data":{"id":"us/21-cfr-886.1425","jurisdiction":"us","citation":"21 CFR 886.1425","heading":"Lens measuring instrument.","body":"(a) Identification. A lens measuring instrument is an AC-powered device intended to measure the power of lenses, prisms, and their centers (e.g., lensometer).\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":"8f5486422678800f68e7c5e5a86a5964be983950ee80545a21da18328d0a885d","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-886.1420","next":"us/21-cfr-886.1430"},"notice":"GroundRules: Original legal text. Not legal advice."}