GOING ABOUT 45MPH, WHEN DRIVER LOST VISIBILITY & CONTROL OF VEHICLE WHEN SOMETHING ENTERED HER EYE. VEHICLE HIT GUARDRAIL (DRIVER'S SIDE) & FLIPPED OVER RAIL. UPON IMPACT, AIR BAGS DID NOT DEPLOY. VEHICLE CONTINUED DOWN EMBANKMENT. WINDSHIELD DID NOT BREAK, BUT CRACKED. VEHICLE TOTALED. *AK