How to use "fluorescent" in a sentence

She took a deep breath and went into the market, where the air was so cold that it pierced her bones, and where the harsh fluorescent lighting was too bright and too bleak to encourage fantasies.

Harsh fluorescent lighting.

She looked around, waiting for some sign from her child, and she and Elliot twitched in surprise when the overhead fluorescent tube winked off, then came on again