Health service charges and optical voucher values HC12 Date published: 13 February 2017 This leaflet shows Health Service charges and the value of vouchers available towards glasses and contact lenses. Documents Health Service charges and optical voucher values Adobe PDF (93.79 KB) Help viewing documents Share this page Share on Facebook (external link opens in a new window / tab) Share on Twitter (external link opens in a new window / tab) Share by email (external link opens in a new window / tab)