Cauterised eye vein. Is it possible that this vein has a weak spot? I've tried everything but it never disappears. (Photo)

I have this dilated vein almost for 12years, i tried Everthing but it never dissipears.During the day my eye always look irritated but doesnt feel like that.i dont have allergys and i got last year plugs in my eyes.is it possible that this vein have a weak spot so that it cause mor red veins? Maybe it have something to do with my rosacea ,because when i nervous or it is verry hot the expand Verry fast.according tot my Doc my eye is healthy.