Related Clues:

• Optical cover
• Optical membrane
• One's not batted without trepidation as English yield in collapse
• Blinking cover
• Protective cover left in sink you returned
• One visiting Lord's after survey getting one to bat?
• Shade above the windscreen
• I heard Cork perhaps is part of one of those natural cover-ups
• This will provide cover for the viewer
• Naturally it is cover for the pupil
• Cover for viewer
• To which one is lashed?
• It's closing leaves pupil in the dark
• Skin over viewer
• Cover for peeper?