112 



DISEASES OE THE EYE 



Chronic, caused l)y wind, dust, eye-strain, alcoliolic ex- 

 cesses, foreign bodies and ilic Morax-Axenfeld bacillus, 



P'ollicular, this variety occurs in epidemics. Ii may be 

 bacterial and acute or non-bacterial and chronic. 



There are small round jKile pfranulcs the size of a pin's head 

 found chiefly about the inferior fornix. In trachoma the 

 g"ranul('s are larijfcr and in the superior fornix. 



(6) Gonorrhwal Conjunctivilis. 



This is met with in babies and adults. A streptococcus may 

 also cause a similar condition in ciiildrcn. 



Gonococcus. x 950. 

 (By Hansel! and Sweet.) 



Pneumococcus. x 950. 

 (By llansell and Sweet.) 



bacillus laciinatis Mora\-.\\enfeld. x 950. 

 (I'.y Hiinscll and Sweet.) 



Kocli-Woeks bacillus. x 950. 

 (liy llansell and Sweet.) 



(c) (iraiiuhir Conjunctii'itis or Truchowa. 



Seventy per cent, of the children in Monq^-kong are infected. 



It is al.so common in India, Japan, South America, North 



.\frica, especially in F.u^ypt, South .Africa and other parts. 



