Len V. Koh, OD, PhD

Dr. Koh is an associate professor at Arizona College of Optometry in Glendale, AZ. He earned his Doctor of Optometry degree at the New England College of Optometry and completed a residency in primary care at the Pennsylvania College of Optometry. He is c


Differentiating ocular allergy

On the surface, eyecare providers may not fully appreciate the prevalence and complexity of ocular allergy and its clinical management; we learn that it is a relatively simple disease defined by ocular itch.