A structural lesion involving the fifth cranial nerve was excluded by the normality of the brain MRI.
Patients with other diseases that reduce RNFL thickness such as glaucoma, anterior ischemic optic neuropathy, high myopia, and congenital abnormalities of the optic nerves were excluded.
A summary of all MS patients and controls is given in table 1. Patients with other diseases that reduce RNFL thickness such as glaucoma, anterior ischemic optic neuropathy, high myopia, and congenital abnormalities of the optic nerves were excluded.
Peripheral nerve tumours, acoustic neurinomas and other cranial nerve tumours were excluded because of variable reporting.
Cases with a bony deformity and/or nerve injury were excluded from this study.
Cases with missing information or pain in alternative nerve distributions were excluded.
Patients with history of ocular trauma and previously diagnosed retinal or optic nerve diseases were excluded from the study.
All the patients selected were having isolated carpal tunnel syndrome and those with any pre existing nerve conditions were excluded.
Dogs treated with methods other than pharmacological intervention, e.g. homoeopathy methods, surgery, food trials, nerve stimulation, were excluded.
