When Mundelein’s Casey Vyverman is playing in a game, whether the sport is flag football, basketball or softball, her parents, Scott and Tammy, are there to support her.

But Tammy Vyverman can’t see Casey. A former runner at Illinois State, Tammy Vyverman was diagnosed with retinitis pigmentosa when she was 26 years old and eventually lost her eyesight in her late 30s.

“My mom comes to every game and never misses anything,” Casey Vyverman said. “She sits with my dad, and he talks her through what’s happening in a game. It’s not something we talk about much, just her not knowing what’s going on. It’s normal for us.”

Tammy Vyverman experiences each sport differently. Basketball, the only one of the three played indoors, can be difficult.

“At softball, I rely heavily on the GameChanger ap

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