Kaleidoscope vision makes you feel like you’re looking through a kaleidoscope or broken glass. You might have blurred vision, brightly colored vision, and see fragments or geometric shapes.

Bright lights and too much exercise are well-known migraine launchers, but the latest study hints that sufferers may not be as sensitive to these triggers as previously thought. Researchers report in ...

While the exact causes of migraine are unclear, genetics, environmental factors, and changes in brain activity are believed to play a role. Migraine triggers vary, but common ones include certain ...

Medically reviewed by Johnstone M. Kim, MD Key Takeaways Age-related macular degeneration (AMD) is a leading cause of vision loss for people 50 and older.Angle-closure glaucoma is a medical emergency ...