Laminated Glass consist of two layers of glass laminated together with a film (PVB - Polyvinyl Butiral Film), which is very strong and tough.
In a case of glass broke, the glass shard will still attached to the film. Glass fragments adhere into interlayer and reducing the risk of the flying shard of glass into the driver's eye. Enable Driver clearly see the road because the fragments are only in the affected area of collision.