(n.) A loss or decay of sight, from loss of power in the optic nerve, without any perceptible external change in the eye; -- called also gutta serena, the drop serene of Milton.

ablepsia amaurosis atmospheric attenuation atmospherics authoritarianism benightedness bigotry blaring blasting blind side blind spots blinders blindfolding blinding blindness blurring the eyes cataract cecity closed mind clutter cramped ideas crawling creeping darkness deflection depriving of sight dim-sightedness drift drop serene economic blindness ever-during dark excecation eyelessness fade-out fading false echoes fanaticism glaucoma ground clutter gutta serena hideboundness hoodwinking illiberality insularism insularity interference lack of vision little-mindedness littleness making blind mean mind meanness narrow sympathies narrow views narrow-mindedness narrowness nearsightedness niphablepsia noise odium theologicum parochialism partial blindness pettiness petty mind provincialism psychic blindness purblindness reception reduced sight refraction sea clutter shortsightedness shut mind sightless eyes sightlessness smallness snow blindness soul-blindness spiritual blindness static stone-blindness straitlacedness stuffiness superrefraction total blindness trachoma uncatholicity unenlightenment unseeingness