Polycoria is a rare condition that causes someone to have more than one pupil in their eye. Read on to learn more.

The claim: An image shows a rare eye condition called 'pupula duplex' A striking image online is catching the eyes of social media users. "The Pupula duplex is a medical oddity that is characterized ...

Please provide your email address to receive an email when new articles are posted on . In patients with ptosis, a large pupil may be indicative of third nerve palsy. Levator function measurement can ...