Blepharitis is a common eye condition that causes the eyelids to become sore and inflammed. What's Happening? The eyelids are inflamed and so can appear red, swollen and dry. Usually this does not cause any serious damage to the eyes, but it can be very uncomfortable and if left untreated can lead to secondary complications. In uncommon severe cases there is a risk of causing long term damage. It is a chronic condition which means it is around for a long period and ongoing tr