慧眼[keigan] discerning (quick) eye
智慧[chie] wisdom
入れ智慧[iredie] suggestion
入れ智慧[irechie] suggestion

慧敏[keibin] clever
慧眼[egen] the wisdom eye
慧日[enichi] sun of wisdom

一眼[ichigan] one eye
一眼レフ[ichiganrefu] single-lens reflex camera
一隻眼[issekigan] sharp eye
遠眼[engan] farsightedness
遠眼鏡[toomegane] spectacles for far-sightedness

凹眼[ougan] cavernous eyes
凹眼鏡[ougankyou] concave glasses
開眼[kaigan] enlightenment
眼下[ganka] under one's eyes
眼科[ganka] ophthalmology