GA pilot reported lighting at DVT airport is too bright at night and could cause loss of night vision.

Report 1 | Narrative: The new hold wigwag lights at DVT at the hold lines are so bright at night that they create a significant loss of night vision for flying and increase probability of a loss of a crew and airplane. Please make them find a way to dim the lights to preserve night vision for the aircrew of any airplane. No one seems to be able to dim them at night. They are excellent for daytime illumination.

Report 1 | Synopsis: GA pilot reported lighting at DVT airport is too bright at night and could cause loss of night vision.