Hi, I Took Doxycycline For 48 Days And Have Been

Hi, I took Doxycycline for 48 days and have been suffering from double vision (only when I look at distant objects) for the past 9 months. I initially got sharp pangs in my head that went away when I stopped the medication. Got checked for papilledema which I don't have. Brain MRI, CT scan of chest, AChR antibody test all normal. Could I have sixth nerve palsy caused by doxycycline-induced intracranial hypertension even with no headaches and no papilledema?