Acellular nerve allografts in corneal neurotisation: an inappropriate choice

Neurotrophic keratopathy (NK) is a devastating degenerative disease of the ocular surface, resulting in progressive corneal epithelial defects, ulceration, melting and in severe cases perforation.1 The disease results from dysfunction of trigeminal nerve afferents to the cornea; aetiologies include herpetic infection, ocular surgery, skull base tumours and surgery, brainstem cerebrovascular accidents, and congenital trigeminal nerve hypoplasia....