I applied through university. The process took 2 months. I interviewed at Essilor in Mar 2013
Interview
Got their opening from school's career center, four interviews in two rounds, one with intern program director and hr, another with direct supervisors. No wired questions, just why company, walk through resume, why the position.
Interview questions [1]
Question 1
Asked about the project details, some are old so it took me some time to recall the details