According to the old wives’ tale, masturbation leads to blindness. Of course that is ridiculous, because if it did you wouldn’t be reading these very words. It turns out watching porn, however, does cause a kind of temporary blindness — especially if you are a woman.

Dutch researchers had women watch three videos — one a science documentary, another a “female friendly” porno (tons of foreplay) and the third was a hardcore flick. When watching the more explicit porn video — and only when watching the hardcore video — a brain scan revealed the blood to the volunteers primary visual cortex decreased, causing a sort of temporary blindness.

“If you look, for example, at your computer and you have to write something or whatever, then you have to look specifically and carefully at what you’re doing because if you don’t, it means you make mistakes,” Dr. Gert Holstege, who worked on the study, explained. “But the moment you are watching explicit sexual movies, that’s not necessary, because you know exactly what’s going on. It’s not important that the door is green or yellow.”

Now the question is whether woman suffer the same type of vision loss during actual love making. Taking a glance at our pasty, white love-making machine, we hope it’s the case.