1) Snow blind describes a person whose cocaine habit has left them incompetent, or has left them incapable of dwelling on anything other than their next fix.
2) Snow blind could describe a snowboarding or skiing enthusiast.
3) More conventionally, a temporary visual impairment due to reflections of sunlight from fallen snow.
"Snow Blind" Friend written by Hoyt Axton and recorded by Steppenwolf
"They say he wanted heaven but praying was too slow
So he bought a one-way ticket on an airline made of snow.
He only had a dollar to live on 'til next Monday
But he spent it all on comfort for his mind.
Did you say you think he's blind?"
Snowblind (2002) A movie about the cocaine industry.
Snowblind (2006) A movie about snowboarding.