What is BLINDNESS?

Written by Pam MS, NCSP | Fact checked by Psychology Dictionary staff 

n. the inability to see or the condition of being sightless. Specifically, it refers to a partial to total impairment of the capacity to perceive any visual stimuli. Its most frequent causes include birth injury, head trauma, macular degeneration, uncontrolled glaucoma, inoperable cataract, and diabetic retinopathy.

BLINDNESS: "A lack of blindness makes a person appreciate the gift of sight and his or her ability to see in 20/20 vision, more or less."

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