On spiders and eyeballs
It turns out that there IS actually enough vascular tissue in your eye to carry funnel web venom to your heart. Not enough to need anti-venom, but enough to make your heart do very strange things and enough to make you go a very strange colour. A trip to the emergency room ensued.
The next day a trip to the opthomologist revealed that the venom had acted like a strong acid/ alkaline and burned a hole in the iris, just missing the pupil (no glass cuts thankfully!). Long-term, the sight in my left eye is a bit worse than it should be. I also get "spider eye": if I'm tired or stressed or jetlagged, my spider eye goes incredibly red, hot and bloodshot for about 24 hours. It's not the most spectacular spidey-super-power of them all, but I'm happy enough to have it :)
Alice Russel-Wallace discusses why Shaun of the Dead is THE definitive opthamological treatment for spider envenomation incidents.