A method includes inserting a light source into an item of head apparel,
such that the light source is substantially contained within a volume of
the item of head apparel. An apparatus includes a light source and a head
apparel bill. The head apparel bill is configured to receive the light
source, such that the light source is substantially contained within a
volume of the head apparel bill and a user's vision can be assisted by
light emitted from the light source.