Historical clue formulations

• Peeper protectors — 2023-04-03
• They're usually heavier at night — 2014-04-17
• They may get heavy at night — 2005-06-23
• They are raised for all to see — 2005-03-11
• They're shut at night — 2004-06-06
• Sites of lashes — 1998-07-06
• Winkers and blinkers — 1997-04-13