Find over 25,000 psychological definitions


tunnel vision

a visual field defect producing the effect of perceiving the world through a long tunnel or tube. Peripheral vision may be entirely lost. Tunnel vision can occur in one or both eyes in uncontrolled glaucoma and retinitis pigmentosa and in both eyes after bilateral injury to visual processing areas beyond the optic chiasm. It may also be a conversion symptom. Also called tubular vision.

Browse dictionary by letter

a b c d e f g h i j k l m n o p q r s t u v w x y z

Psychology term of the day

December 19th 2024

junkie

junkie

n. slang for a drug addict, especially a heroin addict.