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A politician is urging people to make sure they get their eyes tested so they can avoid problems in the future.
Jenny Willott, Welsh Liberal Democrat MP for Cardiff Central, said that partial sight and blindness cost the economy £22 billion in 2008, most of which could have been avoided.
"An incredible 50 per cent of blindness is preventable through regular sight tests and screening programmes," she said.
"But most people don't look after their eyes properly, storing up problems for the future. Even if you think your vision is fine it is still important to check your eyes are healthy."
Ms Willott also noted that children under the age of 16, people over 60 and those on low incomes were all entitled to a free eye test on the National Health Service.
People who are concerned about taking a trip to the opticians because they worry about wearing glasses should bear in mind that there are alternatives, such as
ortho k lenses.
Ortho k lenses are worn at night and help to gently reshape the cornea while sleeping, meaning wearers can be free of any daywear items such as glasses or contact lenses.
By Oliver Edgar
