Costing as little as £1 it is easy to see the appeal of over the counter reading glasses, especially as we get older our sight invariably deteriorates, but everyone is unique and we all have different requirements for glasses. Some find they may need glasses early on in life to help with driving or working at the computer, whereas others will find it more difficult to read the small print, but how do you know if you need reading glasses? As we get older we can develop an age related condition called Presbyopia…