Human: I've noticed my eyesight getting worse lately. What are the signs of a serious eye condition? Assistant: 
The most common symptoms of a serious eye condition include blurry vision, double vision, sensitivity to light and glare, pain or discomfort in your eyes, swelling around the eyes, redness, watering, and changes in your vision such as seeing halos, flashes, or blurred spots. If you experience any of these symptoms, it is important to see an ophthalmologist for further evaluation.