(n.) A flood of water; an inundation.

Niagara ablepsia amaurosis benightedness blepharitis blind side blind spot blindfolding blinding blindness blurring the eyes cascade cataclysm cecity choroiditis chute collapse come down comedown conjunctivitis crash cross-eye darkness debacle declension declination defective vision defluxion deluge depriving of sight descend descending descension descent detached retina dim-sightedness dip down down downbend downcome downcurve downfall downflow downgrade downpour downrush downtrend downturn downward trend drop drop down drop off drop serene dropping economic blindness engulf esotropia ever-during dark excecation eye defect eyelessness fall fall down fall off falling falls flood flooding force fresh freshet glaucoma go down go downhill gravitate gravitation gutta serena hoodwinking inclination inundate inundation iritis keratitis lack of vision linn lose altitude making blind nappe niphablepsia optic neuritis overbrim overflow overrun overwhelm parachute partial blindness pink eye pitch plummet plummeting plunge pounce pour pour down pour out pour over precipitate psychic blindness rain rapids reduced sight retinoblastoma river run over sault sightless eyes sightlessness slop slosh snow blindness soul-blindness spate spill spill out spill over spiritual blindness spout stone-blindness stoop sty submerge swamp sweep swoop torrent total blindness trachoma trend downward unenlightenment unseeingness uveitis walleye waterfall waterflood watershoot whelm