<human>: I've been dating my girlfriend since the first few weeks of University (College for Americans) in early October. 

I have heterochromia, nothing serious it just means my eyes are different colours. I used to get bullied back at school really quite badly and this was the main thing they teased me about. 

Because of this I got some coloured contact lenses to try and hide my differences as many at that age do. Partly down to habit and partly down to a fear of being bullied again I continued to do this at university. 

After my first semester I've realised there was no reason to worry as every one is so nice and I even got my first girlfriend who's the best thing to have ever happened to me :) 

Even so I've still been wearing my contacts, it just got more and more difficult to bring it up and now I've kept it hidden for so long I'm lost as how to come clean. I can't lie for any longer especially because we're spending more nights with each other now and contacts aren't nice to sleep in.

For clarification I'm sure my gf and friends won't care about my condition but I'm scarred they'll be annoyed that I didn't trust them. 

I do recognise that many others on this subreddit have more serious issues than me but any advice would be massively appreciated.

Can you give me a shortened version of the text?
<bot>: I've been hiding the fact I have different coloured eyes from my girlfriend and others in my University life and now I don't know how to tell them.