I'm having a revision rhinoplasty soon, this time it's going to be a closed surgery through the nostril. He is going to shave away a lump on the bone and remove a little bit of cartilage. I'm worried about becoming blind. How can you tell where blood vessels/arteries are during a closed surgery? And also, how to know how much you can shave off the bone? I'm also afraid to get a hole through the nasal bone if he shaves to much? A different surgeon told me that can happen.
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