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.
Major and minor chords are similar except for their thirds. Image Â© Brandy Kraemer. Definition: A chord is a group of notes played simultaneously 1 to create harmony; two or more notes 2 that complement one another. 3 Chords add texture to a melody, and provide rhythm to a song. 1 The notes in a broken chord are not played simultaneously. 2 Two-note âchordsâ are referred to as intervals.