Welling's mum of the year has been written an emotional thank you letter by her son Tommy, 14.

Emma Salisbury, 43, was given her Tesco Achieving Mum award at The Savoy on Sunday (March 1) by Fearne Cotton and Sara Cox.

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The mum-of-three has fundraised for nearly a decade to find a cure for choroideremia, a rare eye condition which could make her sons blind.

Tommy wrote: "Dear Mum, Most people think their mum is the best but not many can say that they've won an award.

"You work so hard and have done so much. I’m glad it’s not just me who notices. If it was up to me you would win an award every year.

"You have fought for me all my life, supporting me and guiding me, making my world a good place. You always have courage, always fight and always put us kids first.

"When I was diagnosed with choroideremia when I was five years old it must have been really tough for you and dad to hear. Especially when your grandad had lost his sight from it. 

"But you've always encouraged me to make the most of my life, and never made me feel different – just loved and I'm grateful for that.

"You’ve been on a mission to make others aware of my condition and set up a fund in my name which could help thousands of boys and men.

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"I can’t believe all the things you’ve done - everything from running the London Marathon, being selected to hold the Olympic Torch at the 2012 Olympic Games, hosting coffee mornings or just being someone's shoulder to cry on.

"Because of you I have hope that there is a future where I can see and not lose my sight like Grandad, at the moment you give me so much hope that my future will not been any different from it is today and I know you won’t give up until the treatment is ready for me. 

"All your hard work has led to the really exciting research work at Oxford University it’s great knowing that my family was part of making this happen and that you all did it for me.

"Thank you for continuing to fight for my sight and for being my Mum. Well done. Love you always, Tommy." 

Tesco will donate £5,000 to the Tommy Salisbury Choroideremia Fund via Fight for Sight.

To support the charity, text TOMM10 £5 to 70070.