"Miosis" is a medical term that describes the constriction of the pupils. Learn its causes, symptoms, and how to treat it.

That coloured circle is called the iris and the black spot in the middle is the pupil. This is the part of the eye that lets the light in. Lights out please! When it’s dark, muscles in the iris ...

According to MacRumors, the analyst penned a new note to investors in which he addressed eye tracking and iris scanning technology that Apple might be developing for the VR headset. Apple already ...