Crossword Genius

What sailors caught, close to divers with the bends? (6)

Ross

I believe the answer is:

scurvy

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'bends?' is the definition.
The definition and answer can be both states of affairs as well as being singular nouns.
Perhaps there's an association between them I don't understand?

I don't understand how the rest of the clue works.

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(Other definitions for scurvy that I've seen before include "Disease caused by lack of vitamin C" , "Lime-juice prevented it" , "Whoreson" , "Disease due to lack of vitamin C" , "(Of a knave) contemptible!" .)

I've seen this clue in The Times.
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