According to a recent study, when the surface temperature of the eye and eyelids drops to 86 degrees Fahrenheit (30 degrees Celsius) this could cause or worsen dry eye. The cold temps outside your body cause the oily substance secreted by lid glands to become too thick to spread properly onto the eye surface.
Macular degeneration, also known as age-related macular degeneration (AMD or ARMD), is a medical condition which may result in blurred or no vision in the center of the visual field. Early on there are often no symptoms.
Who is at Risk for Macular Degeneration? Macular Degeneration Diagnosis: How is AMD diagnosed? Macular Degeneration Treatment: How is AMD Treated? Macular Degeneration and Low Vision: Making the Most of Low Vision; Age-Related Macular Degeneration Vision Simulator; AMD Pictures and Videos: What Does Macular Degeneration Look Like?