After losing her eyesight to a condition called incontinentia pigmenti in 2013, a teenage Lucy Edwards achieved YouTube stardom by posting tutorials on how she does her makeup blind. Now 26, the U.K.-based content creator is a successful journalist, radio broadcaster, disability activist, and social media sensation with 1.7M TikTok followers. “I started making short, educational content,” says Edwards, “answering the questions I’d get on how I do day-to-day tasks.” From showcasing how she pulls together stylish outfits to 60-second lessons on guide dogs, Edwards...