Related Clues:

• Liner location
• Eye component
• A flirt may bat one
• Shadow site?
• It's often covered in shadow
• Iris covering
• It may be covered in shadow
• Part of 41-Across
• It moves in a blink
• A cyclops has only one
• It can be covered by a shadow
• Eyeball part
• It may be batted
• Something most fish lack
• Shadow location