Why did the tennis player decide to get glasses?

Answer:
satisfy the stringent demands of their sport.
Step-by-step explanation:
People who play tennis need tennis sunglasses, which specifically satisfy the stringent demands of their sport. Sunglasses designed for tennis players must accommodate their high level of precise hand-eye coordination and strenuous physical activity. They also have to promote acuity and clarity of vision under a wide range of lighting conditions.