Neurotrophic keratitis, also known as neurotrophic keratopathy (NK), is a degenerative disease of the cornea caused by damage to the ophthalmic branch of the trigeminal nerve. A healthy cornea and a ...

Primary immunodeficiency disorders (PIDs) are a heterogeneous group of disorders characterized, as the name suggests, by deficiencies (abnormal, poor or absent function) in the immune system. As ...