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57% of Irish people wear glasses or contact lenses.
An average milk cow produces 350,000 glasses of milk over her lifetime, worth $175,000.
Daniel Radcliffe, who played Harry Potter, was allergic to Harry Potter glasses.
People drink more slowly when alcohol is served in straight-sided glasses than when it’s served in glasses with curved sides, a research found.
It takes about 50 glasses of water to grow the oranges to make one glass of orange juice.
A single company, Luxottica, controls 80% of all glasses and sunglasses brands in the world, including Rayban, Oakley, Prada, Chanel and Versace.
The Aurora Ice Hotel in Alaska was made entirely of ice. Ice walls, ceiling, beds, bar, barstools, even martini glasses were made of ice. It was closed by the fire marshall for not having smoke detectors.
65,000 more eye-care professionals are needed to provide eye examinations and glasses to the 703 million people around the world who need it.
The world economy falls short of $227 billion every year from lost productivity among adults who need glasses.