Ocular or neurological causes of headaches? - A Diagnostic Conundrum

A 41 year old stout female introduced to our ophthalmology facility with rare migraine for a long time which didn't answer to any nearby treatment. Her far off vision was 6/6 and close to vision N12 in the two eyes. Foremost fragment assessment uncovered clear cornea, shallow front chamber with a profundity of Vanherick grade 1 by cut light assessment (Figure 1 and 2). Gonioscopy by Shaffer's...