Photophobia and sensations of dryness in patients with migraine occur independent of baseline tear volume and improve following botulinum toxin A injections.
Ryan J DielJodi HwangZachary A KroegerRoy C LevittConstantine D SarantopoulosHeather SeredElizabeth R FelixJasmine Martinez-BarrizonteAnat GalorPublished in: The British journal of ophthalmology (2018)
BoNT-A significantly improved photophobia in patients being treated for migraine and also improved dry eye symptoms in patients with severe symptoms at baseline, independent of baseline tear film volume. These improvements may be due to modulation of shared trigeminal neural pathways.