1986, Masa Ōtake, Meikuappu o masutāsuru [Mastering makeup][1], page 63:
目元も日本的な切れ長の美しさが見直されました。
Memoto mo Nihon-teki na kirenaga no utsukushisa ga minaosaremashita.
Looking again, the bottom of the eye also has that beautiful Japanese kirenaga.
2009 September 23, “Kirenaga no me tte gutaiteki ni donna me desu ka? [Specifically what kind of eyes are ‘kirenaga eyes’?]”, in Yahoo! Chiebukuro[2]:
[Q] Boku wa yoku kirenaga no me o shiteiru to iwaremasu. Sore tte home kotoba nano deshōka? Kirenaga to iu kotoba no inshō kara suru to amari ii imēji de wa nai to omō no desu ga […] [A] Kirenaga to itte mo hitoe, okubutai, nijū, me no yokohaba to tatehaba no nagasa tsuri me, tare me ya, mayu ya matsuge nado de inshō wa iroiro chigakunaru kedo kihonteki na imēji to shite wa, surudoku suzushige de kūru na imēji.
[Q] I am often told that I have kirenaga eyes. Is that a compliment? Based on the meaning of kirenaga I don't think that's a good image […] [A] Though it's called kirenaga it means from one fold, and at the back, a second fold, the width and the height of the eyes, the slant of they eye, the droop of the eye, and the eyebrows and lashes, altogether give an unusual impression; complicated but basically it's a sharp, cool image.
2017 December 25, “Dekame vs kirenaga-me [Large eyes vs. kirenaga eyes]”, in Watashi by Shiseido[3]:
Soko de, hea meikuappu ātisuto no Fukuike Chizuru-san ni, patchiri ōki na “manmaru deka me” to, bijin kao ni wa kakasenai “kirenaga ai” o tsukuri wakeru hōhō o oshiete moraimashita. puro nara de wa no rain to shadō no awase waza wa hikken desu yo.
So, we asked hair and makeup artist Fukuike Chizuru to teach us how to create large wide “round deka eyes”, and indispensable to a beautiful face “kirenaga eyes”. You have to see the techniques professionals use to match line and shadow.
duration of sharpness, (knife etc.) edge retention
2018 September 28 (last accessed), “Shin'noda hamono seisakusho-sei sashimibōchō [Sashimi knife made by Shinoda cutlery works]”, in Wireless Nankai[4]:
ha wa mizuto hatsuke o hodokoshi, senaka kara hasaki ni kakete no medōshi (kenma) wa, tsūjō no gobai no kōtei sū o hodokosu koto ni yori, surudoi kireaji, kirenaga de togi yasukunatteiru
applying the included whetstone to the cutting edge, gliding from the spine to the edge (polishing), five times as much as other knives, easily hone to achieve sharp cutting ability & kirenaga
