This thread on eyesight reminds me of a very touching and inspiring story
about the adventure of a white prospector in Northern Canada. (p.280 of the
1945 edition of Weston Price's "Nutritional and Physical Degeneration):

"One of the two men told me (Price) the following tragic story.  While they
were crossing the high plateau he nearly went blind with so violent a pain
in his eyes that he feared he would go insane.  It was not snow blindness,
for they were equipped with glasses.  It was xeropthalmia, due to a lack of
vitamin A.  One day he almost ran into a mother grizzly bear and her two
cubs.  Fortunately, they did not attack him but moved off.  He sat down on
a stone and wept in despair of ever seeing his family again.  As he sat
there holding his throbbing head, he heard a voice and looked up.  It was
an old Indian who had been tracking that grizzly bear.  He recognized this
prospector's plight and while neither could understand the language of the
other, the Indian after making an examination of his eyes, took him by the
hand and led him to a stream that was coursing its way down the mountain.
Here as the prospector sat waiting the Indian built a trap of stones across
the stream.  He went upstream and waded down splashing as he came and thus
drove the trout into the trap.  He threw the fish out on the bank and told
the prospector to eat the flesh of the head and the tissues back of the
eyes, including the eyes, with the result that in a few hours his pain had
largely subsided.  In one day his sight was rapidly returning, and in two
days his eyes were nearly normal.  He told me with profound emotion that
the Indian had certainly saved his life."

Price goes on to say:

"Now modern science knows that one of the richest sources of vitamin A in
the entire animal body is that of the tissues back of the eyes including
the retina of the eye.
In chapter 18 I refer to the work of Wald on studies of vitamin A tissues.
He states that extracts of eye tissue (retina, pigment, epithelium, and
choroid) show the characteristic vitamin A absorption band and that they
are potent in curing vitamin A deficient rats.  He shows also that the
concentration of vitamin A is constant for different mammals."

"I have been impressed to find that primitive racial stocks in various
parts of the world are familiar with the fact that eyes constitute an
invaluable conjunct for nutrition.  Even the one time cannibals of the Fiji
Islands, and the hereditary king of the Fiji Islands, told me in detail of
the practices with regard to the use of eyes as an adjunct to diet.  The
chief, his father, and grandfather had the privilege of reserving the eyes
of captives for their personal use.  When among the natives of the islands
of North Australia, I learned to enjoy greatly fish head soup made from
certain selected tissues.  After the fish had been cleaned the heads were
split and the eyes left in."

Best, Peter
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