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In page Swimming:

"
  • Earplugs can prevent water from getting in the ears.
  • Noseclips can prevent water from getting in the nose. However, using noseclips in competitive swimming can cause disadvantage, so many competitive swimmers choose not to use one.[citation needed] For this reason, noseclips are primarily used for synchronized swimming and recreational swimming.
  • Goggles protect the eyes from chlorinated water, and improve underwater visibility. Tinted goggles protect the eyes from sunlight that reflects from the bottom of the pool.