Welcome to HCM,
Your problem is condition called Phimosis
, this condition can be treated easily if it is mild gradual dilatation and some times application of steroid
cream it can be relieved which should be done under guidance of doctor.Stretching of the foreskin can be accomplished manually, with balloons
If the fore skin is very tight and there are any scar formation then visit a General surgeon
and it can be corrected by simple surgery called circumcision
even in local Anaesthesia.
Dorsal slit (superincision) or Preputioplasty
, depending on your condition can be performed.
Please do not worry about surgery and consult a Surgeon.
Best of Luck.