Certified Ophthalmic Medical Technologist (COMT) Practice Exam

Which material is considered the best choice for spectacle frames used in sports?

1. Aluminum

2. Polycarbonate plastic

3. Glass

4. Acetate

The correct answer is: Polycarbonate plastic

Polycarbonate plastic is widely regarded as the best choice for spectacle frames used in sports due to its combination of lightweight properties and high impact resistance. In sports, eyewear must withstand physical activities that may involve sudden movements, impacts, and the potential for falls. Polycarbonate is not only lighter than glass and metal options, making it comfortable for extended wear, but it is also significantly tougher, reducing the risk of shattering upon impact. This resilience is particularly crucial in fast-paced sports where safety is a priority. Other materials, while they may have their benefits, do not offer the same level of protection or comfort for athletes. For instance, aluminum is lightweight but not as impact-resistant as polycarbonate. Glass offers excellent optical clarity but is heavy and can shatter easily, presenting a hazard in sports environments. Acetate, while flexible and available in various styles and colors, doesn't provide the same level of durability and impact resistance as polycarbonate, making it less suitable for high-intensity activities. Therefore, polycarbonate plastic stands out as the optimal choice for sports eyewear, combining safety, comfort, and performance.