ophthalmoscope

n. a hand-held device used to examine the structures of the eye, especially the fundus (back). This examination may be direct, with the eye at close range so as to observe an erect image, or indirect, by use of a lens that produces an inverted image of the fundus. Compare retinoscope.

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Psychology term of the day

November 23rd 2024

risk factor

a clearly defined behavior or constitutional (e.g., genetic), psychological, environmental, or other characteristic that is associated with an increased possibility or likelihood that a disease or disorder will subsequently develop in an individual. Compare protective factor.