Dilated pupils in cats can be a sign of iris atrophy or a more serious underlying condition. Here’s how to know when to seek ...

The iris is the colored part of the eye that surrounds the pupil. In this article, learn more about the part of the eye responsible for seeing color, its anatomy, and functions.

Recently, single-pass four-throw (SFT) pupilloplasty has been used for various indications of iris-pupil diaphragm repair. In this column, we discuss a few modifications in SFT. Figures 1a and 1b.

While lust is driven by a strong physical desire, attraction and attachment encompass a strong emotional relationship or ...

They say the eyes are the "windows to the soul," but new research reveals they are much more than that—they’re also powerful ...

The pupil expander is positioned centrally and gently pushed at each angle to trap the iris in the four loops. “We obtain a stable 5.5 mm to 6 mm pupil dilation, which is sufficient to perform ...

Making the pupil dilate or contract on demand is a really nice feature, as well. The huge fabric sphere is lit from the inside with a light bulb at the center, and the iris and pupil mechanism ...