filtration surgery filtration • filum · · · Info · Definitions · Characters · · filtration surgery · · Text Common · · Latin · · Scripts 18 · · Length 6 · · Syllables Definitions · · · (noun) eye surgery that opens a passage allowing excess aqueous humor to drain into surrounding tissues; a treatment for glaucoma. Synonyms: filtration surgery. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 f latin small letter f U+0066 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075 y latin small letter y U+0079