He said: ‘I had conjunctivitis in my eye which hurt. ‘Abu Al-Hassan (asws) wrote to me about it initiating from himself (asws); ‘What is preventing you from applying the application of Abu Ja’far (asws), a part of Rabahiyya Camphor, Aloe of Asqutry, crushed together and sifted by silk. You should apply from it like the application from the powder, once in a month. It would chase away every illness in the head and exit it from the body’. He said, ‘He used to apply it, and had no complaints for his eyes until death’.