WHO grading system
Hands and feet
Grade 0 No anaesthesia, no visible deformity or damage
Grade 1 Anaesthesia present, but no visible deformity or damage
Grade 2 Visible deformity or damage present
Eyes
Grade 0 No eye problem due to leprosy; no evidence of visual loss
Grade 1 Eye problems due to leprosy present, but vision not severely affected as a result (vision: 6/60 or better; can count fingers at 6 metres).
Grade 2 Severe visual impairment (vision worse than 6/60; inability to count fingers at 6 metres); also includes lagophthalmos, iridocyclitis and corneal opacities.
Grade 0 No anaesthesia, no visible deformity or damage
Grade 1 Anaesthesia present, but no visible deformity or damage
Grade 2 Visible deformity or damage present
Eyes
Grade 0 No eye problem due to leprosy; no evidence of visual loss
Grade 1 Eye problems due to leprosy present, but vision not severely affected as a result (vision: 6/60 or better; can count fingers at 6 metres).
Grade 2 Severe visual impairment (vision worse than 6/60; inability to count fingers at 6 metres); also includes lagophthalmos, iridocyclitis and corneal opacities.
