Eyewear, informally

SPECS

Think of what a detective might call their glasses when examining fine details. The term is short and often used in British slang.

"Eyewear, informally" is a straightforward clue where "specs" is a common slang term for glasses or spectacles. The word is short for "spectacles," which is why it fits the "informally" hint. It’s a direct definition with no hidden wordplay—just a casual way to refer to something people wear to correct their vision.