<s>[INST] .what is hairline fracture on eyes brows.i have recently met with an accident and hurt my eye. It is swollen and my eye doctor says there might be chances of fracture but it can be revealed after a week and if there is a fracture it will heal itself. Want to understand what is hairline fracture in eyebrows and how will it heal itself. [/INST] Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice. A hairline undisplaced fracture can heal on its own in 6-8 weeks. I hope this information has been helpful for you. Regards, Dr. Praveen Tayal </s>