21 CFR 886.1090: Haidinger brush.
Where this section sits in the code
- 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
(a) Identification. A Haidinger brush is an AC-powered device that provides two conical brushlike images with apexes touching which are viewed by the patient through a Nicol prism and intended to evaluate visual function. It may include a component for measuring macular integrity.
(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.
Collected 2026-08-27T02:24:47Z. Source file · JSON