But there is a risk you could be missing a vital clue that you have a potentially deadly cancer ... spots on the iris: Whether it’s growths or enlarging patches on the coloured part of your eye ...

Cancer treatment may involve radiation, chemotherapy, or biologics. Some causes of white spots, such as milia, don’t require any treatment unless you wish to remove them for aesthetic reasons.

Ms Mead said early diagnosis of the eye cancer was "vital" and wanted other families to recognise the symptoms of retinoblastoma - a white glow or white reflection in the centre of the eye ...