Dear doctor, I have asked you last time about the fact, I have a

Dear doctor, I have asked you last time about the fact, I have a small brown spot near of my cornea whereas I always use daily contact lenses, but I got irrition in my eye in 2010. But I dont know wether this brown spot is due to the contatct or not.? If it is due to the contatct. Mu question is that is it dangerous in the same time when I use daily contatct lenses, When the eye get scratch by contatct, will the cells recover the injury without any side effects?! Thnnks alot , Your are so much appreciated.