Regarding tolerance, I have not had any reaction, be sure to wash your hands properly before handling and the use of specialized disinfection liquid (not saline, which is not the same osmolarity and devoid of cleaning agents) .I do not think she really reusable, I think they can make some evenings every few days depending on the quality of packaging you have planned (liquid, box etc).
Attention to hygiene as infectious keratitis in contact lens is not uncommon but serious.
I recommend this product to 2000%