[Code of Federal Regulations]
[Title 21, Volume 8]
[Revised as of April 1, 2008]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR886.1300]

[Page 472-473]
 
                        TITLE 21--FOOD AND DRUGS
 
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN 
                          SERVICES (CONTINUED)
 
PART 886_OPHTHALMIC DEVICES--Table of Contents
 
                      Subpart B_Diagnostic Devices
 
Sec. 886.1300  Afterimage flasher.

    (a) Identification. An afterimage flasher is an AC-powered light 
that automatically switches on and off to allow performance of an 
afterimage test in which the patient indicates the positions of 
afterimages after the light

[[Page 473]]

is off. The device is intended to determine harmonious/anomalous retinal 
correspondence (the condition in which corresponding points on the 
retina have the same directional value).
    (b) Classification. Class II.

[55 FR 48441, Nov. 20, 1990]