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Webster 1913 Edition

Nyctalopy

Nyc′ta-loˊpy

,
Noun.
Same as
Nyctalopia
.

Webster 1828 Edition

Nyctalopy

NYC'TALOPY

,
Noun.
1.
The faculty of seeing best in darkness, or the disorder from which this faculty proceeds.
2.
In present usage, the disorder in which the patient loses his sight as night approaches, and remains blind till morning.

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