It's not only the direct hit to the eyes, when the laser hits the polycorbonate windshield of a plane/helicopter it causes it to "green" over. Trying to find the link where I read it. Here is one link with what the pilot sees,
http://www.pangolin.com/resguide09c.htm
This 14-second animation shows the three visual effects that concern experts: distraction (dimmest), glare (medium) and temporary flashblindness (brightest, with fading afterimage). The animation demonstrates how an airplane laser exposure is almost always a flash, not a steady bright light.