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.
mass nounMusic. 1Lack of harmony among musical notes. âan unusual degree of dissonance for such choral stylesâ. count noun âa session full of jangling dissonancesâ. âGrimaud's ability to evoke both sensitive tonal shadings and clangorous dissonance made this movement an overwhelming experience.â.