How long do you need to wait to obtain OCT to evaluate for retrobulbar optic neuritis?

There is no need to wait to obtain OCT in suspected retrobulbar optic neuritis. I recommend obtaining OCT at the initial presentation. Acutely, the peripapillary RNFL may be thickened from optic nerve edema, which can help support an acute attack and provide a useful quantitative baseline, although ...