Two Letters from tie great ^ andexperiencedOculitt^ 
Dr. Turbervile of Salisbury, to Mr. William 
Mufgrave S. p. S. of Oxon, containing feveral re- 
markable cafes in Phyfick, relating chiefl) to the 
Eyes. • 
The firji Lttttr. 
UNderftanding that your Philofophieal Seeiety has 
lately received accounts of fome unufual Diltem- 
pers of the£y^j-, and that more accounts of this nature 
will be welcome to you, and are defir'd of me in particu- 
lar ; I fhould not ad furtable to the great relped, which 
I have to the worthy Gemlemen of that iSom^^, (hould I 
not endeavor to anfwer the expedlatioa they have of 
me. 
The Difeafe, which, ia fome late difcourfe with you, 
I named Bur/a Oculi^ or the Touch ^ iy^, was a Bag 
without matter in it, ("like an empty purfe,) on the white 
of the Ey e, under the upper lid ; it hung flag about the 
length of a thumb nail. Another perion had no vifible 
difeafe in his Eyes, but could not <ee at all, unbfshe 
fqueezed his Nofe wi th his fingers, or Saddled it with nar- 
row and then he iawver^ well: him I carried 
to Mr. Boy I, as a fit fufcjed for io gteata PM<?7^/^^^r to 
make his remarks on. ..i . < , 
A Maid, two or three and twenty years oM, came to.; 
me horn Banbury y who could fee very well, bait no co- 
lour befide Blac\ and White. She had inch Scintilla^ 
tions by night, ("with the appearances of Bulls, Bears, 
^c) as terrified her very much ; flie could fee to read 
fometimes in the greateft darknefs for almoft a quarter 
of an hour. 
If 
