WordNet sense 1 (something intended to misrepresent the true nature of an activity):

subterfuge

WordNet sense 2 (something that keeps things out or hinders sight):

screen

WordNet sense 3 (completely blind):

stone-blind

WordNet sense 4 (lacking sight):

eyeless, sightless, unseeing

WordNet sense 5 (having greatly reduced vision):

purblind

WordNet sense 6 (wearing a blindfold):

blindfold, blindfolded

WordNet sense 7 (unable to see):

unsighted

WordNet sense 8 (not based on reason or evidence):

unreasoning

WordNet sense 9 (not consistent with or using reason):

irrational

WordNet sense 10 (lacking perception):

unperceptive, unperceiving

WordNet sense 11 (make dim by comparison or conceal):

dim