How to have fun without hurting your eyes on Halloween? Posted on October 27, 2017 by Dr. Liang Source; Amy Gallant Suillant Got a devilish look planned for Halloween? Would it be bright red eyes, or dark makeup this year? Hear from the expert on how to do them right here! Dr. Yan L. Liang, OD Markham Optometrist www.MarkhamOptometry.com Contact Warden Optometry to book your vision and health consult.