Medically reviewed by Johnstone M. Kim, MD Key Takeaways The pupil controls how much light enters the eye, allowing for clear ...

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 ...

The dark part of your eye is called the pupil. Pupils can grow or shrink according to different lighting conditions. Other factors, such as drugs, can also affect pupil size. Read on to find out which ...

Please provide your email address to receive an email when new articles are posted on . KOLOA, Hawaii – When examining a neuro-ophthalmic patient, physicians must check the pupil in the light and the ...