---
kind: "section"
citation: "21 C.F.R. § 886.1930"
title: "21"
number: "886.1930"
heading: "Tonometer and accessories."
url: "https://uscodex.org/cfr/21/886.1930"
---

# §886.1930. Tonometer and accessories.

- (a) **Identification.** A tonometer and accessories is a manual device intended to measure intraocular pressure by applying a known force on the globe of the eye and measuring the amount of indentation produced (Schiotz type) or to measure intraocular tension by applanation (applying a small flat disk to the cornea). Accessories for the device may include a tonometer calibrator or a tonograph recording system. The device is intended for use in the diagnosis of glaucoma.
- (b) **Classification.** Class II.

## Notes

### Authority

Authority: 21 U.S.C. 351, 360, 360c, 360e, 360j, 360 l, 371.

### Source

Source: 52 FR 33355, Sept. 2, 1987, unless otherwise noted.