Related Clues:

• '___ Wide Shut'
• Peering pair
• Watchful duo
• Argus' many
• Dots on smileys
• Gives a once-over
• Some glass prostheses
• Peacock markings
• 'Ol' Blue ___' (36-Across nickname)
• Trips in the dark?
• Things that may twinkle
• Argus' hundred
• Coals, on Frosty
• Spud bumps
• They can turn red in a flash