one more thing i want to inform you about is that when i am sitting in a class to attend a lecture.when i try concentrate what the teacher is speaking immediately my left ear starts paining and i am not able to understand a single word of that.also in a group or so with friends sometimes i am not able to interpret what they are saying and left part and back part starts paining as if somebody is compressing my nerves.due to this problem i am not able to perform well in the studies also.my family members think that i am making excuses of not to study but its not like that.how can i explain to it to my family members.i had a homeopathic consultant previously .when i took the medicine coarse for 15 days pain was reduced to a small extent.but when i stopped medicine pain was as it is as was before.i am totally down i am not able to understand what to do.also i had a checkup of my left eye but all things are normal.my visibility is normal.only when i try to concentrate more left eye and part above my left eye starts paining and left ear and lower back part of my left head starts paining.also i want to say that i have seen some abnormal changes in myself.various thought process are generated in my mind continuously.for this reason i am not able to sleep well.as my mind clearly thinks of something or the other things which ihave done on that day again and again.i think i am not mentally stable.please give some suggestions