10:00Aleena NaylorThe Prince of Wales and The Duchess of Cornwall visit DerbyshireBBC Radio Derby Duration: 3 hours Fri 18th Feb 2011, 10:00 on BBC Radio DerbyWhy couples in their 50s are enjoying a resurgence in their love life and could advances in medicine have found a way to halt macular degeneration.GenresEntertainmentBrandAleena Naylor Source: BBC Online