$4 
white or red colour; indeed, thofe 
whofe eyes are weak, would find 
confiderable advantage in having 
green for the farniture of their bed- 
chamber. Nature confirms the pro- 
priety | of the advice given “in this 
rule: for the light of the day comes 
on by flow degrees, and green 1s the 
waiverfal colour fhe prefents td our 
eyes. 
5. The long- fighted fhould ac- 
cultom themfelves to read with ra- 
ther lefs light, and fomewhat nearer 
to the eye, than what they naturally 
Nike; while thofe that are fhort- 
fighted, fhoald rather ufe themfelves 
to read with the book as far off as 
poifible. By this means, ae would 
mmproye and ftrengthen th ficht; 
whi tle a contrary courfe w il THEA 
its natural imperfections, 
‘There is nothing which preferves 
theAight longer, than always ufing, 
both in reading and writing, that 
moderate degree of light which is 
of fuited to the eye; too little 
trains therh, too great a quantity 
dazzles and confounds them. The 
eyes are lefs hurt by the want of 
light, than by the excefs of it; too 
Kittle light never does any harm, 
unlefs they are ftrained dik efforts to 
fee objects, to which the degree of 
light is inadequate; but too great 
a “quantity has, by its own power, 
deftroyed the fight. ‘Thus’ many 
have brouzht on themfelves a ca- 
taract, by frequen ntly léoking at the 
fun, or a fire; others have loft their 
fight, by being brought too fuddenly 
from an’ extreme” of darknefs into 
the blaze of day. How dangerous 
the looking upon bright’ luminous 
objects is to the fight, is evident 
from ‘its effe&ts in thofe countries 
“which are covered the greater: part 
of the year with fhow, where blind- 
hefsi is exceeding fr equent, and where 
ANNUAL REGISTER, 
1790. 
the traveller is obliged to cover hi 
eyes with crape, to prevent the 
dangerous, and often fadden effedts 
of too much light: ever the uitus 9 
tored favage tries to avoid the dan- | 
ger, by framing a lictle wooden 
cafe for his eyes, with only two nar- 
row ilits. A momentary gaze at 
the fun will, for atime, unfit the 
eyes for vifion, and render them in- — 
fenfible to impreflions of a milder” 
nature. 4 
The following cafes from a fmall ” 
trad on the “ Fabric of the Eye, 
are fo applicable to the prefent ar- 
ticle, as to want no apology for 7 
their infertion here ; though, ifany~ 
were neceffary, the ule they -will 
probably be of to thofe whofe com- — 
plaints arife from the fame or fimilar ~ 
caules, would, I prefume, be more § 
than fufficient. b | 
« A lJady from the country, com= 7 
ing to refide in St. James’s Square, 
was aili€ted with a pain in her eye, | 
and a decay of fight. She could © 
not look upon the hones, when the i 
fun fhone upon them, without great 
pain. This, which fhe thought was 
one of the fymptoms of her dif- — 
order, was the real caufe of it. Her — 
eyes, which had been accuftomed — 
-~ e. 
— a Slr Ce Se SY SO Em em BG Ss Se” =. 
to the verdure of the country, and ~ 
the green of the pafture grounds — 
before her houfe, could not bear the ~ 
violent and unnatural glare of light 
reHe&ted from the ftones; fhe a 
advifed to place a number of fmall 
orange trees in the windows fo that — 
their tops might hide the pavement, — 
and be in a line with the grafs. She — 
recovered b by this fimple change in ‘ 
the light, without the afliftance of © 
any medicine; though her eyes were ~ 
before on the verge of little” ee | 
than blindnefs.”’ a 
« A gentleman of the law had | 
his lodgings in Pall Mall, on the | 
north 
