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

黄碧玉[kouhekigyoku] yellow jasper
紺碧[konpeki] deep blue
碧い[aoi] blue
丹碧[tanpeki] red and green
碧眼[hekigan] blue eyes

碧玉[hekigyoku] jasper
碧空[hekikuu] blue sky
碧山[hekizan] green mountains
碧水[hekisui] blue water