February is retinitis pigmentosa awareness month. Learn more about this potentially disabling condition, with symptoms similar to Vitamin A deficiency, characterised by night blindness and "tunnel vision”, which can cause progressive loss of visual acuity, and even blindness.

CBM is an international Christian development organisation, committed to improving the quality of life of persons with disabilities in the poorest countries of the world. Photo: CBM/argum/Einberger
