My Eye Is Watery And Burns, Help! See Details?

I wear contacts for astigmatism, and i haven’t had a problem with them until now. my right eye has been irratated for the past week and has been twitching slightly on the upper corner of my eye lid. today my contact was uncomfortable on my right eye and since i took out my contact it’s been burning and watering. help! what is wrong with it?

Contacts Help???? More Details Inside?

well i wear glasses nd im tired of them so i wanna try contacts
few questions though
-whats the best age to start using them [[im betewn 13-15]]
-whats the average price [[from lenscrafters or american best contacts and eyewear or any place like that]]
-the eye doctor said i have a bit of astigmatism [[not that much]]
do u think i would still need contact for astigmatism
-how long does it take to get used to them
-wat if they get of your cornea [[or watever its called]] nd into the white part
- how long do they usally last
- how to take care of them
i no i no..lots of questions
just answer the ones you can
plz. thanx.
:]
have a great day!!

Read Details First: Is Astigmatism In Both Eyes Common?

I recently went to the eye docter’s and he told me i had astigmatism in both of my eyes and that i am boardline for needing glasses and that i am far and nearsighted so what does all that mean about the astigmatsim how does astigmatism happen ?