The native spectacles give
such a limited field of vision that it is impossible to use them in
hunting; but the wire-gauze seems to be free from all these objections.
A well-supplied expedition is provided with every kind of snow-goggles,
as they are absolutely essential to the well being of the party. The
superiority of the wire-gauze pattern seemed to have been appreciated
by the Franklin expedition, for many of them were subsequently found
at the various burial-places and at other points where relics were
obtained. It is also said that painting around the eyes upon the upper
and lower lids with burned cork or some dark pigment is a protection
against snow-blindness; but it is doubtful if this method has been
sufficiently tested to admit of its being relied upon. The symptoms of
snow-blindness are inflammation of the inner coating of the lids,
accompanied by intense pain and impairment of the vision, so as to
disable the sufferer from the performance of his duties. A wash of
diluted tincture of opium is probably the best remedy, and gives almost
immediate relief. The patient should remain within doors for two or
three days, by which time he will usually be sufficiently cured to
resume his out-door labors.
It might be supposed that in the utter barrenness of the Arctic
landscape, flowers never grew there.
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