blind
unsighted
ableptical
amaurotic
behind the curtain
behind the scenes
benighted
bereft of light
camouflaged
color-blind
concealed
dark
dim-sighted
disguised
eyeless
hemeralopic
hidden
imperceptible
in darkness
indiscernible
insensible
invisible
latent
mind-blind
nyctalopic
out of sight
rayless
secret
spiritually blind
stark blind
stone-blind
submerged
unapparent
unbeheld
unbeholdable
undiscernible
undiscerning
unenlightened
unnoticed
unobserved
unobserving
unperceivable
unperceived
unperceiving
unrealized
unseeable
unseeing
unseen
unsightly
beady
bloodshot
colorless
deep-set
dumbfounded
expressionless
faceless
glassy
incredulous
incurious
motionless
opalescent
rapt
speechless
steely
tearless
unblinking
uncomprehending
unfocused
unreadable
unrecognizable
unwinking
weightless