The most common and most likely answer to this crossword clue is the 6 letter word PTOSIS
P
T
O
S
I
S
More clues leading to the result PTOSIS
- Piece of inexpensive padding surprisingly stops condition affecting eyelid
- Seaman in port is exhibiting eye problem
- Secret Intelligence Service upholds instruction to reader with drooping eyelids
- Enthralled by knocking back drink, alcoholic raised droopy eyelid
- Doctor stops one condition of the eyelids
- Spot is developing into eye problem
Buddy explains!

The straight part
We know that "droopy eyelid" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case droopy eyelid = ptosis.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 PTOSIS mean?
PTOSIS noun- The prolapse of a bodily organ, especially drooping of the eyelid or the breasts.