A sea star’s eyes—one on the tip of each arm—can’t see color, fine detail, or fast-moving objects; they would send an eagle crashing into a tree. Then again, a sea star isn’t trying to ...

After taking a medical history, your eye doc will likely start with a visual acuity test. I will often take a retinoscope, and I will shine the light beam into your ... be seen inside the eye ...

A blind Canadian man is set to have his own tooth implanted into his eye in a bid to regain his sight. Brent Chapman is ...