Show mexican indians are blinded by insects mexico U D F I 1 the bite of it a little red fly has brought blindness to some indians in chiapas and in oaxaca according to the mexican health department the life history of tile the parasite which the lly fly deposits in the blood of man is now known but no good remedy to combat it has been worked out tumors appear on the heads of those affected and these are being operated on by the wholesale by the sanitary brigades this eventually cures the individual if the disease has not gone too far microscopic organisms in the tumors being phototropic or light loving make their way to the eye |