Looks at home — time to wear glasses? (8)
I believe the answer is:
inspects
'looks at' is the definition.
(to inspect something is to look at it)
'home time to wear glasses?' is the wordplay.
'home' becomes 'in' ('he's home' can mean 'he's in').
'time' becomes 't' (abbreviation).
'to wear' is an insertion indicator (to wear something is to be covered up by it).
'glasses?' becomes 'specs' (spectacles).
't' going inside 'specs' is 'spects'.
'in'+'spects'='INSPECTS'
(Other definitions for inspects that I've seen before include "acts as an Observer" , "Examines, subjects to scrutiny" , "Looks closely at something" , "Scrutinises" , "Examines carefully" .)