Medically reviewed by Johnstone M. Kim, MD Key Takeaways Mydriasis is when the pupil stays wide and doesn't respond to ...

Question: I recently saw my eye doctor because I suddenly became very sensitive to light. He said it was caused by a condition called "Adie's pupil." My right pupil is much larger than my left and it ...

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

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 ...

The colored part of the eye surrounding the pupil is called the iris. It automatically regulates the amount of light entering the eyes by regulating the size of the pupil. Light is the primary ...

At my job, I'm going to be working with a new laser soon, and as such, I have to pass some certifications to become a laser operator. One of the requirements is that I take an eye exam to determine if ...

Medical professionals use eye numbing drops to block the nerves in your eye from feeling pain or discomfort. If you’re pregnant or nursing, tell your doctor before getting eye numbing drops. Eye ...