One of the more notable features one piece canopy from a pilots perspective is the exceptional field of view from the cockpit, a feature that is vital during air-to-air combat. The single-piece, bird-proof bubble canopy provides 360°
The Aircrafts like F16 ejection does not include the pilot breaking the canopy at all, since the entire one piece canopy is ejected before ignition of the ejection seat. Also, one piece canopies like in F16 and F22 are very, very thick because they have none of the supporting features found on old style canopies with struts. If Canopy Fails to Separate, the top of the seat can also give a clue with the cutting edges slightly above headrest level.
The all- transparent canopies (F-16, F-22 etc.) are indeed very useful and helping features compared with canopies divided by frames. Just try to fly them and compare the sensation, alertness and comfort it gives! But it is not for explanations. It was simply found to be very good thing to have.