Eye-Bright Powder compound.
Take Eye-bright 3 drams, Mace 1 dram, make it into a fine Powder.
I have seen decrepit old Men almost blind, which were by the help of this Powder restor'd to entire sight, faith Montagnana.
But besides its being a good Eye-medicine, its eminently available against the Head-ach, if taken in a Glass of Wine at Bed-time: That time is best, because the Brain imbibes Medicines (by the Vehicle of the Blood) most of all in the time of sleep.
For the Eyes, take half a spoonful before Meals in a Glass of Sack.
Thomas Fuller
Pharmacopeia Extemporanea 1710