Pupil protectors (7)
I believe the answer is:
eyelids
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">pupil protectors</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 eyelids that I've seen before include "They drop in sleep" , "covers for lights?" , "covers for lamps" .)