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“Colour-blind” patients muddle their tablets

Pharmacists should only instruct patients to use colour to identifytablets if they know that the patient has normal colour vision, sayresearchers

Pharmacists should only instruct patients to use colour to identify tablets if they know that the patient has normal colour vision, say researchers in The Lancet (2009;374:720).

They point out that 8 per cent of men and 0.4 per cent of women have impaired colour-vision and that in a survey of 100 people with impaired colour-vision, 2 per cent reported that they had confused their medication because they had mistaken the colour of tablets.

Citation: The Pharmaceutical Journal URI: 10977039

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