The Order of Eternal Flame was a great order of the past, dedicated to bringing law and justice to The Lands. The Dragon Knights brought a golden age to the Elder Times. Unfortunately, they were betrayed and that golden age has been lost.
Real World: some Indians in the Amazon treat their eyes with a traditional potion applied with palm leaves. Brutally painful, the drug alters vision, giving the jungle's dense green walls greater texture and dimension. You could adapt this to desert or swamps, or other hard to navigate regions.