Eyeglasses News, Advice, and Tips

Did you know that having two different-colored eyes is a condition called heterochromia? This is also the term used when one or both of your eyes has more than one color in the iris (the colored part of the eye).  The color of the iris is...

What Does It Mean to Dilate Your Pupils? Having dilated pupils means the size of your pupils (the little black dots in the center of your eyes) is larger than normal. Pupil dilation is a natural response that the eyes have to low-light...

Crazing is a web of hairline cracks in the anti-reflective coating of your eyeglass lenses. Looking through a pair of crazed lenses can make things seem blurry or cloudy, and simply cleaning the lenses does not help. While anti-reflective...

Reviewed by Sonia Kelley, OD, MS on 7/26/2023 Remember the last time you saw a colorful rainbow, watched an exciting film, or read your favorite book? Your eyes make these experiences — and more —possible. So, have you ever thought about...

Determining which of your eyes is dominant is easy to do at home. But if you need assistance, you can always ask your eye doctor. Here’s some more information on what eye dominance (or ocular dominance) is, how to test for it, and why it...

Reviewed by Thomas Stokkermans, OD, PhD on July 20, 2023 Yes, it is possible for a person to have purple, violet, or lavender eyes, though it is extremely rare. This occurs when the irises (the colored part of the eyes) have a purple or...

Reviewed by Thomas Stokkermans, OD, PhD on July 10, 2023 If you have hazel eyes, you’ve probably been told that your eyes look green, brown, brownish-green, or greenish-brown. In fact, all of these descriptions are true because your eyes...

Color blindness, also called achromatic vision, is a condition that affects a person’s ability to recognize certain colors. The characteristic is usually inherited, meaning it’s passed to a person from a member of their family, and it...

Reviewed by Thomas Stokkermans, OD, PhD on July 6, 2023 Studies show that green is the rarest eye color in the world. But did you know that people with green eyes are more sensitive to light, and may be more susceptible to sun damage?...

Understanding Visual Perception: Optical Illusions and Your Eyes Your brain and eyes work together to see and know the world around you. For example, your eyes see a friend’s face, but it’s your brain that remembers who they...