CLASS I. 1. 3. 14. OF IRRITATION". 39 



of the hollow wire or cylinder; if the scar should heal without 

 losing its transparency, many blind people might be made to see 

 tolerably well by this slight and not painful operation. An ex- 

 periment I wish strongly to recommend to some ingenious sur- 

 geon or oculist. 



Or it may be attempted by pressing one end of a small canula 

 on the centre of the cornea, and passing down it a bit of luna 

 cornea, fixed in the end of a smaller canula, and thus introdu- 

 ced: the eye may be held steady by passing a thread by means 

 of a small curved needle through a part of the tunica adjuncti- 

 va, which may be held by an assistant, or by pressing on it the 

 end of the canula as above, which might have a flat circular rim 

 round its extremity for that purpose. 



