affected with an ordinary in rmittent, and blind during 
every supe beat but ane regaining his fight as ira, as 
each es is O 
pai fhadowy, black, and coloured objeas, and 
fhining fi appearances which hover before the eyes of 
a litouring under a gutta ferena, alfo make it feem 
ikely that the caufe of the ‘iteat e chiefly affects the retina 
and optic nerve. r 
ifea Samctines raat d, 
fays Richter, the optic nerves have ‘tually been found in 
an unnatural ftate, as for inftance, fhrivelled and contiderably 
fhrunk. He ftates that aqueous veficles, earthy concretions, 
and other forts of indurations, have been difeoyered near the 
optic nerves, in diffecting fubjects, who, ge their de- 
ceafe, had been blind with SAD Lise 
which t 
‘ded as ane 
Se Richter $ Anfangfgriinde der Wan- 
fs rth ft, vol. iii. chap, 14. 
By Saae 3 of the different caufes of the ee a 
= 
Ze 
es 
an 
~ oe 
mP 
ae: 
& 
= 
i 
patient's ore be ae se 
fuddenly" opened to the 
stele igs) little, if at all. 
weaker, fj cles 
and convex ¢ The fg 
up) ahi gently rubbed, and 
De eke pupil will ‘emaeatt 
ight grows weaker and 
no fervice, 
are of 
the Paint, Sete freaking, fees wort in the open day- 
light, than 
confcious of the ihpetipr's of the rays of 
certain power of feeing fill Rise g es, the di 
or incomplet, 
the ii ve. ee 
he fin us of Tight, 
a5 cates. Besducss it 
ae wae a : contnerves, ich e. { 
ect, a not the 
bona fudden blind, while carrying a he 
n the patient is 
‘He i pe is ree 
ft 
the complete atta ferena 
GUTTA SERENA, 
According to Richter, the remote caufes of 
may be properly divided into three proce) cla the ai . 
<veate in which indicate three general methods .of Sete 
men 
This author obferves, that the firft clafs of caufes Pate 
cepend upon an extraordinary plethora and turgidity of the 
bleod-veflels of the brain, or of the optic nerves paige 
vanda confequent preffure upon thefe parts. 
the functions of the retin 
fometimes . 
d A plethoric perfon, fays Richter, who . 
held his breath, and looked. at a white wall, was confcious 
erien writers on the Sex In the gis ner, 
complaint may be brought on by great bodily exertions, 
which in all protisbilizy determine a = current of blood 
into the head. Richter informs us a r man who became all 
He tells us of 
Schmucker has ree: , 
inttance of this in a ftrong young woman, thirty ra 
=~ of a » full habit. Whenever the fhe was 
