Medically reviewed by Christine L. Larsen, MD Photophobia is an abnormal sensitivity to light. It is associated with dry eye ...
Or a mix of emerald greens and silvery greys ... of their phones in the misguided hopes of watching their brown eyes turn blue. And the fixation doesn’t end on TikTok: countless Instagram ...
Blue eyes are caused by a gene mutation. For years, researchers had searched for it on the OCA2 gene. The OCA2 gene determines how much brown pigment is in our eyes. But what they were looking for ...