| http://www.w3.org/ns/prov#value | - I work as an Optometrist in Cumbria and have many patients with visual disabilty for whom a pair of 'stronger glasses' is not necessarily the best option.A majority of such patients are elderly and have a degenerative condition called macular degeneration in which everyday tasks such as reading, watching television, setting the cooker to the correct temperature, making a cup of tea, etc., etc., ar
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