Watchful eye and X-ray eye

X-ray eye and watchful eye are semantically related in keen eyesight topic. In some cases you can use "X-ray eye" instead a noun phrase "Watchful eye", when it comes to topics like sharp eye.

Watchful eye and X-ray eye are semantically related in keen eyesight topic. You can use "Watchful eye" instead a noun phrase "X-ray eye", if it concerns topics such as sharp eye.