CATARACT

n. a gradual yet progressive clouding of the lens within the eye. It starts with a noticeable dimming of vision followed by the need for larger print and brighter illumination. When left untreated, it inevitably results in severe visual impairment and loss of vision.

CATARACT: "A degenerative condition which may or may not be age-related, cataract is the most frequent reason why people go blind."
Cite this page: N., Pam M.S., "CATARACT," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/cataract/ (accessed December 11, 2019).
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