Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Results 1 - 5 of 5 for halo
  1. A halo nevus occurs when the body develops an immune response to the pigment cells around a nevus. The ...
  2. Vitiligo (VisualDX)  
    Vitiligo/Images ... Vitiligo ... VisualDX ... Vitiligo is a condition caused by the immune system turning against itself (an autoimmune disease). Immune cells of the ...
  3. ... problems such as difficulty seeing at night, seeing halos around lights, and sensitivity to glare.
  4. ... papular), hive-like (urticarial), and have a surrounding halo (bull's eye). Occasionally a central depression, or punctum, ...
  5. ... On occasion, there may be a narrow red halo around the base. This is a normal and ...