SPECIFICITY OF OPHTHALMO REACTION 



57 



In regard to the specificity of the ophthalmo reaction, the condi- 

 Specificity ^ QU?> are more favorable than in both of the preceding tuber- 

 Reaction Q cu ^ n tests. The following short chart is explanatory. Posi- 

 tive reactions were obtained in 



Calmette's preparation. 



i% old tuberculin. 



