A 45 year old man was cutting a piece of metal and felt some…

A 45 year old man was cutting a piece of metal and felt something going into his left eye.  This occurred about 7 hours before.  His eye hurts and has been very teary and red.  PE:  left conjunctiva is erythematous, injected with scant clear, watery discharge.  Visual acuity is 20/20 bilateral.  Fluoroscein stain is positive for a corneal abrasion.  The NP was unsure if foreign body still present.  The next best action the NP would take is to: