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.
So what is unity and variety in music? âUnityâ refers to the idea of repetition, staying the same or using similar ideas during a piece of music while âvarietyâ refers to creating a sense of novelty in a song by adding new ideas, patterns or musical elements.