Pink eye typically involves sticky discharge and swelling, while dry eye presents with a gritty irritation and blurred vision without contagious symptoms. […]
Pink Eye vs Dry Eye: How to Tell the Difference?
How Do You Know If Sunglasses Are Polarized?
Look at a reflective surface and tilt them to see if glare reduces, view a phone or computer screen while rotating your head to see if it darkens, hold two pairs together and rotate one at a 90-degree angle to check for darkening, or check the label for polarization markings. […]
