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skos:definition |
MSH: Failure or imperfection of vision at night or in dim light, with good vision only on bright days. (Dorland, 27th ed),CSP: failure or imperfection of vision at night or in dim light, with good vision only on bright days.,NCI: A disorder characterized by an inability to see clearly in dim light.,NCI: An inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder.,NCI: Inability to see clearly in dim light.
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