Definitions:

1. Always watching carefully and good at noticing things, especially small details. ADJECTIVE
   • My eagle-eyed mother noticed that some cookies were missing.
2. Quick to notice things; observant. ADJECTIVE
   • An eagle-eyed editor corrected the misspelling.
3. The ability to see or observe keenly. ADJECTIVE
   • No one escapes the receptionist's eagle-eyed scrutiny.

Synonyms:

• aware
• farseeing
• hawk-eyed
• keen-eyed
• observant
• perceptive
• sharp-eyed
• sighted