Crossword Genius

Conservative, they say, votes for this after watching TV for too long (6,4)

Ross

I believe the answer is:

square eyes

'this after watching tv for too long' is the definition.
(watching TV supposedly gives you square eyes!)

'conservative they say votes' is the wordplay.
I cannot quite see how this works, but
'conservative' could be 'square' (I've seen this before) and 'square' is found within the answer.
The remaining letters 'eyes' is a valid word which might be clued in a way I don't see.
This explanation may well be incorrect...

'for' acts as a link.

(Another definition for square eyes that I've seen is " people stuck on the tube have?".)

I've seen this clue in The Guardian.
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