Contact lenses have been available from optical practices for as long as the NHS has been operating their spectacle voucher scheme. They are steeped in history, with the first and most basic concept of a contact lens being credited to the great inventor, Leonardo da Vinci.
Whilst he was unable to produce a working contact lens, his understanding and hypothesis about a ‘bowl shaped’ device with variable water content is a premise that has remained throughout the development of the contact lenses manufactured today.
