A Scots mum fears her little boy has been left partially blind after being squirted in the eye with hand sanitiser during a birthday trip out.Little Jaxson Mcavoy was badly hurt following the freak accident at Deep Sea World in North Queensferry, Fife, on Sunday.The three-year-old was left screaming in agony with bad burns to his eye after using the dispenser at the entrance of the tourist attraction.Furious mum Katie claims aquarium staff told her to pay the £38 entrance fee for her family