Chelsea Shields and her husband Connor at their wedding (Picture: Chelsea Shields/SWNS)

It was just five days after Chelsea Shields had the wedding of her dreams that things went wrong.

‘I woke up unable to see out of my right eye — it was complete darkness’ says the 28-year-old from Doncaster. ‘I was panicking. I thought, “What if I’m going blind? What if I’m not going to be able to see my children growing up?”‘

But her eyesight was just the start of a period of rapidly-declining health since tying the knot with husband Connor, 34, in August; a whole host of debilitating symptoms she now knows were caused by functional neurological disorder (FND) .

‘I’ve always had issues with muscle weakness and pains. I’ve had back-and-forth visits to GPs and A&E for about 10 years,’ Chelsea

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