476. Collyria, or Eye Washes
477. Alum
Dissolve half a drachm of alum in eight ounces (half a pint) of water.
Use
as astringent wash. When twice as much alum and only half the quantity of water are used, it acts as a discutient, but not as an eye-water.
Note
that this and the following washes are for
outward application