Light sensitivity, also known as photophobia, is a condition in which individuals experience discomfort or pain when exposed to light. This can range from mild sensitivity to severe pain, and can be triggered by natural sunlight, artificial lighting, or even the light emitted from electronic devices. People with light sensitivity may experience symptoms such as eye pain, headaches, squinting, watery eyes, and difficulty focusing. Light sensitivity can be caused by a variety of factors, including eye conditions such as dry eye syndrome, corneal abrasions, and cataracts, as well as certain medical conditions like migraines, concussions, and infections. Treatment for light sensitivity may involve addressing the underlying cause, using tinted eyewear or sunglasses, adjusting lighting in the environment, or using medications to reduce inflammation and sensitivity. Researchers in this area are focused on better understanding the mechanisms behind light sensitivity, identifying risk factors and potential treatments, and developing strategies to help individuals manage their symptoms and improve their quality of life.