American Board of Ophthalmology (ABO) Practice Exam

What is the primary benefit of wrap-around sunglasses?

1. Increased color perception

2. Better glare reduction

3. Enhanced peripheral vision protection

4. Lightweight design

The correct answer is: Enhanced peripheral vision protection

The primary benefit of wrap-around sunglasses is enhancing peripheral vision protection. These sunglasses are designed with a curved frame that extends around the sides of the face. This design effectively minimizes exposure to sunlight and harmful UV rays from the periphery, which is not adequately covered by traditional sunglasses. By protecting the eyes from light entering from the sides, wrap-around sunglasses help prevent glare and reduce the risk of eye discomfort and further damage from UV exposure. This feature is especially beneficial for activities involving movement or when in bright outdoor environments. While options like glare reduction and lightweight design have their own merits, the distinctive design feature of wrap-around sunglasses specifically addresses the critical aspect of peripheral vision protection, making it the most recognized advantage of this style. Increased color perception is generally more related to the lens tint and quality rather than the frame style, further underscoring the unique benefits provided by wrap-around designs.