So after Longtail is blinded by a rabbit, he turns blind. That's similar to Starflight. They were both once able to see but now they can't.

Anyways about personalities. 

After Starflight is blinded, he sort of turns kinder? And so does Longtail, by helping Cinderpelt.

So really I think they're pretty much the same.

I'll give it a...

sturdy 9/10