Born with Coats disease, Mohamed Tirana grew up blind in one eye.
However, this did not stop the 28-year-old from pursuing a career as a tattoo artist and opening his own parlour, BubbleHead Tattoo.
How did he win over customers who might have initially doubted his ability to do a good job? Did he feel disadvantaged as a result of his eye disorder?
Watch the video and find out more.