• Decrease font size
  • Return font size to normal
  • Increase font size
U.S. Department of Health and Human Services

CFR - Code of Federal Regulations Title 21

  • Print
  • Share
  • E-mail
-

The information on this page is current as of Mar 22, 2024.

For the most up-to-date version of CFR Title 21, go to the Electronic Code of Federal Regulations (eCFR).

New Search
Help | More About 21CFR
[Code of Federal Regulations]
[Title 21, Volume 8]
[CITE: 21CFR886.1640]
See Related Information on Ophthalmic preamplifier. in CDRH databases



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

Sec. 886.1640 Ophthalmic preamplifier.

(a) Identification. An ophthalmic preamplifier is an AC-powered or battery-powered device intended to amplify electrical signals from the eye in electroretinography (recording retinal action currents from the surface of the eyeball after stimulation by light), electrooculography (testing for retinal dysfunction by comparing the standing potential in the front and the back of the eyeball), and electromyography (recording electrical currents generated in active muscle).

(b) Classification. Class II.

-
-