StacksVerified U.S. regulatory reference

21 CFR §886.1800

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Identification. A Schirmer strip is a device made of filter paper or similar material intended to be inserted under a patient's lower eyelid to stimulate and evaluate formation of tears.
  2. (b)Classification. Class I (general controls). If the device is made of the same materials that were used in the device before May 28, 1976, 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.