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 ...

The size of your pupils varies throughout the day, but most people’s pupils fall within a particular size range. We’ll look at when and why your pupils change size. First, the range of “normal” pupil ...

Medications, trauma, and medical conditions can cause miosis or constricted pupils. Seek emergency help if you experience signs of a stroke, like confusion or trouble speaking. A healthcare provider ...

Eye dilation refers to a widening of the pupils. When doctors dilate the pupils during an eye exam, it typically lasts between 4 and 24 hours. Doctors sometimes use eye dilation drops to dilate a ...

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 ...

ST. LOUIS — Google searches for "hurt eyes" spiked nationwide on the day of the total solar eclipse on April 8. NASA and doctors across the nation repeatedly warned the public about wearing necessary ...