As Grandma Yuen works hard to make and give face masks to the public, Dr. Yuen is working at home to test which fabrics and materials are the most effective at protecting wearers while allowing optimal oxygen flow. Learn how to make your mask here and learn how to care for your mask here.

Aloha Vision Consultants is committed to keeping our offices and the community safe. Subscribe to our YouTube channel to see new videos as they are posted!

Dr. Yuen’s at-home testing proves that embroidery backing is the most effective at allowing air flow while keeping out unwanted particles.

Learn more about interfacing in masks from Dr. Yuen:

A simple candle test will help you know if your mask is protecting you the way it should.