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When did Claude Monet begin having problems with cataracts?

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Painting by Claude Monet, Self-portrait in Beret, 1886, showing Monet with a full beard, dark beret, and coat against a light, textured background. — Claude Monet *Self-Portrait with a Beret*, oil on canvas by Claude Monet, 1886; in a private collection.

Claude Monet’s eyesight began to suffer in 1908 as cataracts formed. These cataracts, which distorted his vision and often resulted in a reddish tone in his work, affected his painting process for many years until he received effective treatment in 1923. Despite these vision challenges, Monet continued to paint until nearly the end of his life in 1926.12