adjectival nouns or quasi-adjectives (keiyodoshi)nouns which may take the genitive case particle 'no'noun (common) (futsuumeishi)yojijukugoobvious;(as) clear as day;plain to see
結果は一目瞭然であった。
The result was clear at a glance.
Other forms
一目了然 【いちもくりょうぜん】 (rarely used kanji form)