The Orange Dye Eye Test: What That Blue Light Reveals Your eye doctor wets a small paper strip, touches the edge of it to your lower lid, and the surface of your eye turns a faint orange. The room lights drop, a blue beam comes on, and parts of the eye g... Eye Tests Vision Screening Feb 2, 2026
What PERRLA Means When a Doctor Checks Your Pupils If you have ever watched a doctor click on a small flashlight and swing it back and forth between your eyes, you have seen a pupil check in progress. It takes about ten seconds. In your chart it often... Eye Tests Vision Screening Jan 27, 2026