Age-related macular degeneration (AMD or ARMD) is the most common cause of vision loss in those aged over 50. It causes a gradual loss of central (but not peripheral) vision. Central vision is needed for detailed work and for things like reading and driving. The disease does not lead to complete blindness.
Definition of Dissonance Dissonance is the use of impolite, harsh-sounding, and unusual words in poetry. In other words, it is a deliberate use of inharmonious words, phrases, or syllables intended to create harsh sounding effects.
In psychology , cognitive dissonance is the mental stress or discomfort experienced by an individual who holds two or more contradictory beliefs , ideas , or values at the same time ; performs an action that is contradictory to one or more beliefs , ideas , or values ; or is confronted by new information that conflicts with existing beliefs , ideas ...