No, you'd better not wear the contact lenses since you have the pinguecular. As we know, your eyes will get dry if you wear the contact lenses which may make the situation of pinguecula gets serious. You'd better wear the eyeglasses for the vision. You should go to the hospital to accept the treatment of pinguecula.
Well, you should well understand the seriousness of a pinguecula, as far as I know, it is quite a serious disease in relation to your eyes can should lead to some more serious problems. Since exposure to contacts would cause greater damage to your eyes,therefore, it would be wise for you to stop wearing contacts, also, try to take some measures under the doctor's guidance. Hope you recover as soon as possible.