Gurjeet Jutley - Consultant Ophthalmic Surgeon

  What does seeing halos around lights mean? If you notice that you are seeing bright circles or rings, like halos, around light sources when you look at them, it requires urgent assessment. It has several potential causes and consequences, some of which have serious implications.  In this article, Gurjeet Jutley looks at the topic of seeing halos and how and when you should seek help.  How do you know if halos are caused by a serious condition? If halos appear suddenly, or if you sometimes or always see rainbow patterned halos, have blurred vision, pain or feel any other discomfort, they might indicate a serious condition.  If you have never experienced halos previously, or their frequency or regularity has suddenly increased, then please seek medical attention. The correct treatment plan can then be implemented.   What are the causes of seeing halos around lights?   Halos appearing when you look at light sources are usually caused by diffraction. This is ...