"Listen, how good are your eyes?"
"What do you mean?"
"A little ago, when we looked down on the fighting, could you make out the flag the attackers were carrying?"
"Eyes ain't what they used to be," he said.
["Trumps of Doom" of The Great Book of Amber by Roger Zelazny]
I'd like to know what "Eyes ain't what they used to be" means here.
Thank you in advance for your help.
"What do you mean?"
"A little ago, when we looked down on the fighting, could you make out the flag the attackers were carrying?"
"Eyes ain't what they used to be," he said.
["Trumps of Doom" of The Great Book of Amber by Roger Zelazny]
I'd like to know what "Eyes ain't what they used to be" means here.
Thank you in advance for your help.