expression
with my own eyes; with these very eyes
Emphasizes direct personal observation. Often used with 見る or similar verbs to stress that the speaker witnessed something firsthand.
この目で確かめるまでは信じられない。
I can't believe it until I see it with my own eyes.
彼が走っているのをこの目で見たんだ。
I saw him running with these very eyes.