Palpebral swelling
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">palpebral swelling</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for stye that I've seen before include "Ocular inflammation" , "Swelling near the eye" , "Viewer's complaint" , "pain for the observer" , "Inflammation around the eye" .)