Plain English Meaning
You can see things up close just fine, but things far away look fuzzy.
Full Definition
A condition of the eye in which close objects are seen clearly but distant objects appear blurred, because light entering the eye focuses in front of the retina rather than directly on it. Also called myopia.
Context Anchor
Encountered in night vision and aeromedical discussions, especially when considering how well a pilot can see distant lights, traffic, and runway cues at night.
Derivation
Plain English: 'near-sighted' literally means your sight works well for things that are near. The medical term 'myopia' comes from the Greek 'myein' (to shut) and 'ops' (eye), describing how nearsighted people often squint to see distant objects more clearly.
Why Pilots Care
Uncorrected nearsightedness reduces the ability to distant , , or at night, raising the of missed or .