Q: My elderly cat’s pupils seem to stay dilated, even in bright light. Why? A: In old cats, dilated pupils are often just a sign of a harmless condition called iris atrophy. However, if your cat has ...

The iris is a structure behind the transparent cornea of the eye. It has a circular opening called the pupil that changes size in response to the light level. Your pupils are usually the same size as ...

Small pupils not only can lead to increased surgical times and difficulty in removing the cataract but also are associated with a higher complication rate, including posterior capsular rupture. Every ...

Dilated pupils mean that your pupils appear larger in size. The most common reason for dilated pupils is low light in a dark room since lower light causes your pupils to grow. Dilated pupils are also ...

Medically reviewed by Christine L. Larsen, MD Key Takeaways Medications, trauma, and medical conditions can cause miosis or ...

Please provide your email address to receive an email when new articles are posted on . Intraoperative floppy iris syndrome is a clinical situation encountered during phacoemulsification characterized ...

Please provide your email address to receive an email when new articles are posted on . With cataract surgery we make an assumption that the center of the visual axis, the center of the pupil and the ...