18D.Foreign royal on the move since time' up (8) T-A---S- Could be tsaritsa cannot see why.
26A. I clear part of the eye (4) I--- must be iris why?
4D. Happy son worked on board (7) -C-E-E- is the answer screwed if so why?
15A. Match perhaps for forward Harry? Think it is striker but has Harry to do with it?
Many thanks in advance.
Explanations would be appreciated.