Apparently Sherlock's mother never warned him about sitting too close to the screen.

Actually, I think we all wonder about Sherlock Holmes’ parents in all incarnations of the character, especially when you take Mycroft into account as well. I give BBC’s Sherlock’s parents full credit for *not* letting the school system put them on Ritalin or other behaviour-modifying drugs (and you know they must have suggested it). Mummy must have been a particularly fierce alpha-female to push those two into such extremes while withstanding societies “norms”…talk about your Tiger Mom!