Dear friend, it will not cost you too much to see an eye doctor, sometimes if you check your eyes timely can prevent some disease and further help you to save your money. Conjunctivitis will lead to sore eye. It is the inflammation of the eyeball and inner eyelid. Pink eye will lead to sore eye too. Some kind of pink eyes are highly contagious some are not. So you have to see your eye doctor for they can determine which kind of disease that you may get and give you timely treatment.
Dear friend, it will not cost you too much to see a doctor. So I strongly suggest you to have your eyes checked by an eye doctor. If your sore eye was caused by allergies, infections, dry eyes, injury or foreign object.if your sore eye was caused by foreign objects, you can remove them and then the symptom will disappear. If your sore eye was caused by dry eyes, you can use some artificial tears to moisten your eyes. If your sore eye was caused by injury or some contagious infections, you must see an eye doctor immediately.