Eye white blue gray or black spots

Triangular, round, or half-moon-shaped blue, gray, or black spots on the whites of the eyes are common symptoms of intestinal ascariasis. Ascariasis is the most common parasitic disease caused by the worm-like nematode (Ascaris lumbricoides) parasitizing the human small intestine or other organs. The epidemic is widespread in China, with a high incidence of children.

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