What causes flashes of light in the eye? There's a clinical term for this sensation: photopsia, also referred to as visual ...

The first symptom is often worse night vision. Because cataracts distort the light that comes into your eyes, you may see halos around lights -- again, mostly at night. Blurry vision is also common.

We have all witnessed a lightning bolt illuminating the night sky and heard the booming ... In the United States alone, more than 25 million lightning flashes occur each year.