（しせきをべんぜず）・・・視界がきかず、ごく近いものもはっきり見分けがつかないこと。
pixiv #30996293 "»":[/posts?tags=pixiv%3A30996293]←「さ」 「す」→pixiv #31035609 "»":[/posts?tags=pixiv%3A31035609]

Pronounced as "shiseki wo benzezu"... No visibility at all; an expression for not being able to see things even when they're very close to you.

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<tn>T/n: The original title, "咫尺を弁ぜず/shiseki wo benzezu", translates directly into "not even through a mere arm's length".</tn>