The most common and most likely answer to this crossword clue is the 5 plus 3 letter word NAKED EYE
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More clues leading to the result NAKED EYE
- Badly need a key to one way of looking at things
- Observer simply reviewing Yankee Doodle: “Gutless”
- No aid in sight if this is used?
- Unaided viewer‘s kinky 11? Ring for hooker
- With which you barely see?
- Viewer plainly hinting at end of story?
- Yankee Doodle heartlessly played with absence of instruments
- Yankee travels around Delaware showing unassisted organ of sight
- Perhaps a key need for seer
- Desperately need a key to perception without enhancement
Buddy explains!

The straight part
We know that "seer" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case seer = naked eye.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does NAKED EYE mean?
NAKED EYE adjective- Pertaining to the unaided eye, as in unaided sight.