Photo © Jasper Nance | Flickr / Creative Commons [image: Photo of lightning exploding in a purple night sky above silhouetted conifer trees.] M. Kelter theinvisiblestrings.com I’ve had a life-long aversion to lights. I wanted to share what this means in terms of the subjective experience, and how this sensitivity generally seems to operate. The concept of a sensory aversion is probably self-explanatory, but it can include more subtle effects that may not be as apparent. I’ve noticed two primary factors that can cause my eyes to feel pain (no surprises here): brightness levels, and sudden changes in lighting. What are the types of “pain” involved, specifically? This can vary. Certainly an intensely bright light can cause a sharp pain, but that’s probably true for many people. Let’s define “intensely bright” as something akin to a camera flash. That can cause a sharp, stabbing pain, and that pain can persist…