THE ARCTIC 
165 
GREENISH 
GRAY. 
ON OPEN 
TUNDRA 
Figure 62. — Reindeer moss. See p. 164. 
Rubbing the eyes will increase the burning and stinging sensa- 
tion. The only treatment is complete rest for the eyes by wear- 
ing dark glasses or, in severe cases, by bandaging the eyes. 
