sightless

adjective2

1. •
   Without sight; blind; unseeing.

   • And yet it was possible he might love her—love her truly and deeply: if so, of what avail would it be to lower him in her esteem? It were best for Lucy still to gaze with sightless eyes on her idol. — 1834
2. •
   Synonym of invisible.

   • The toiling world is sightless to those who cannot see. — 1908