https://www.google.com/search?q=eyesight+vs+vision

спасибо!:) т.е. контекст "плвышенная чёткость зрения даже в тёмное время суток " будет как "enchanced clarity of vision even in the dark?"

Да, похоже
https://books.google.com/ngrams/graph?content=vision+in+the+dark%2C+eyesight+in+the+dark&year_start=1800&year_end=2000&corpus=15&smoothing=3&direct_url=t1%3B%2Cvision%20in%20the%20dark%3B%2Cc0%3B.t1%3B%2Ceyesight%20in%20the%20dark%3B%2Cc0#t1%3B%2Cvision%20in%20the%20dark%3B%2Cc0%3B.t1%3B%2Ceyesight%20in%20the%20dark%3B%2Cc0

Примеры тоже посмотрите
https://www.google.com/search?q=%22vision%20in%20the%20dark%22&tbm=bks&tbs=cdr:1,cd_min:1987,cd_max:2000&lr=lang_en

https://www.google.com/search?q=%22eyesight%20in%20the%20dark%22&tbm=bks&tbs=cdr:1,cd_min:1992,cd_max:2000&lr=lang_en

enhanced

спасибо большое!:)