as far as the eye can/could see

US /æz fɑr æz ðə aɪ kæn/kʊd siː/
UK /æz fɑr æz ðə aɪ kæn/kʊd siː/
"as far as the eye can/could see" picture
1.

見渡す限り, 目の届く限り

over a very large area; as far as the horizon

:
The desert stretched out as far as the eye could see.
砂漠は見渡す限り広がっていた。
From the top of the hill, we could see fields of sunflowers as far as the eye could see.
丘の上から、見渡す限りひまわり畑が見えた。