1.5 cm?!

Is 1.5 cm correct??! That seems significant! No wonder my head pounds like its going to blow off. :frowning:
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im not sure if you still need a reply but im sure it is. I have a 11 mm so im sure 15 mm is right. ive heard of people with 20+. have you talked about your options with a doctor id love to know what they said. sorry for no caps.