Glaucoma is defined as an optic neuropathy with progressive optic nerve head damage and characteristic visual field changes with intraocular pressure as a modifiable risk factor.

Antepartum haemorrhage is defined as vaginal bleeding that occurs anytime between the age of viability and before the onset of labour

A burn is an injury to the skin or other organic tissue primarily caused by heat or due to radiation, radioactivity, electricity, friction or contact with chemicals.

Tetanus is a neurological disease characterized by an acute onset of hypertonia, painful muscular contractions (usually of the muscles of the jaw and neck), and generalized muscle spasms without other apparent medical causes.