PC... is your child at risk?

Driving through a nearby neighborhood, I saw a sign: "Vision impaired child area."

Now, back in my less PC youth, my neighborhood had a deaf child. There was a sign there, too. It said in big, bold letters: "Deaf Child."

The PC sign mentioned above is printed with significantly smaller text. Four lines, not two. It doesn't have as big of an impact on your vision as you pass.

I wonder if a driver, new to the area, is more likely to miss the sign. If so, doesn't that increase the risk for the child the city is trying to protect?