People have been warned that whilst it can be 'normal' to have these, there are some cases where it could lead to vision loss ...
Cornwall Live on MSN
Opticians shares 3 signs that can lead to blindness or partial vision loss
Eye experts are warning people to seek medical help immediately if they notice these as it could lead to blindness ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results