§886.1050. Adaptometer (biophotometer).
21 C.F.R. § 886.1050
Identification. An adaptometer (biophotometer) is an AC-powered device that provides a stimulating light source which has various controlled intensities intended to measure the time required for retinal adaptation (regeneration of the visual purple) and the minimum light threshold.
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.
Notes, amendments, and revision history
Amendments
[55 FR 48441, Nov. 20, 1990, as amended at 59 FR 63012, Dec. 7, 1994; 66 FR 38809, July 25, 2001]
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.
Amendments
[55 FR 48441, Nov. 20, 1990, as amended at 59 FR 63012, Dec. 7, 1994; 66 FR 38809, July 25, 2001]