Ch. XXIII. OfLunatick, or Moon Eyes'. 75 



" Take Roman Vitriol and Bole-armoniack of each two 

 *' Ounces, Camphire half an Ounce, and powder them 

 *' together ; of this Mixture fprinkle half an Ounce at a 

 •' Time in two Pound of boiling Water, in which ftir it 

 " well about, then take it off the Fire, let it fettle, and 

 ** decant off that which is clear by Inclination." This is 

 an excellent Remedy, not only for Rheums and Defluxions 

 of the Eyes, but for many Purpofes externally. It may 

 be made ftronger or weaker, as the Praditioner Ihall fee 

 Occafion. 



C H A F. xxiir. 



Of Lunatick or Moon-Eyes. 



Vy HE N a Defluaion of Rheum has What meant fy 

 ^ ' continu'd fo long as to caufe an obfti- Moon-Eyes, 

 natc Stagnation in the fmall Arteries of the Tunica adnata^ 

 or outermoll Coat of the Eye, and a Relaxation of the 

 imail Kernels that are feated at each of its Angles, it be- 

 comes then very hard and difficult to be cured ; but by 

 the Lentor and Corrofivenefs of the Matter, it at length 

 deftroys the TranfpareHcy and Clearnefs of the Cornea^ io 

 as to caufe Blindnefs j and when this happens to a Horfe, 

 he is faid to be Moon-blind. 



Now this Diftemper, which goes under this Name, docs 

 not always make one continued Progrefs, but oftentimes 

 the Rheum, in a great Meafure, dries up ; and when that 

 happens, unlefs the Matter has been fo fharp as to corrode 

 the Cornea^ a Horfe's Eye will again look clear and 

 tranfparent ; but becaufe thofe Parts have been fo much 

 weakened, and the Glands fo much relax'd, every little 

 Error committed either in Feeding or Exercife, and every 

 flight Cold, and even the Sharpnefs of the Air, will caufe 

 a Return of the Humour ; which VicilTitudcs have occa- 

 lion'd Farriers, in ancient Times, when, thro' Ignorance, 

 much was afcrib'd to the Influence of the Planets, to attribute 

 this Diforder to the Moon, infomuch that even the Sieur de 

 SoUeyfell being prepoflefs'd with the ftme Notion, very 

 gravely fays, " That the Eyes of thofe Horles which 

 ** are troubled with this Diftemper, are darkened with a 

 ^' Rheum at certain Times of the Moon, whereas at other 

 " Times they appear fo bright, that you would conclude 



^' they 



