Define presbycusis, name signs and symptoms, etiology and differential diagnosis

Define presbycusis, name signs and symptoms, etiology and differential diagnosis.
Create 3 interventions-education measures with a patient with Presbycusis.
List, define and elaborate on three different retinal and macular diseases age-related.
Initial post should be at least 500 words, formatted and cited in current APA style with support from at least 2 academic sources.