Table 1. WHO disability grading scale.

Body Area	Signs / Symptoms	Disability Grade
Hands and Feet	No anesthesia, no visible deformity or damage	0
	Anesthesia present, but no visible deformity or damage	1
	Visible deformity or damage present	2
Eyes	No eye problem due to leprosy, no evidence of visual loss	0
	Eye problems due to leprosy present but vision not severely affected (can count fingers at 6 meters)	1
	Severe visual impairment (inability to count fingers at 6 meters), lagophthalmos, irridocyclitis and corneal opacities	2