keratoconus

n. the most common of a group of noninflammatory disorders that affect the central cornea of both eyes. The earliest symptom is loss of vision due to irregular corneal astigmatism.

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Psychology term of the day

July 27th 2024

temperament trait

1. a biologically based, inherited personality characteristic.

2. a personality trait that involves emotional qualities and affective styles of behavior. It is one of three classes of source traits in Cattell’s personality trait theory, the other two being ability traits and dynamic traits.