Pinpoint pupils occur when the pupils shrink to a small size. This can be due to various conditions and medications, such as prescription opioids, hypertension medications, and eye inflammation. In ...

Pinpoint pupils (myosis or miosis) is the condition when your pupils are unusually small. The condition can be caused by many things, like certain medications, deep sleep, or an overdose. You may need ...

You look in the mirror and notice that the dark circles in the middle of your eyes are bigger than usual. What's going on? Those dark circles are your pupils, the openings that let light enter your ...

Pupils naturally dilate in low light to allow more light into the eye, and also due to emotional or mental stimuli. Other causes of dilated pupils include medications given during an eye exam, various ...

A person’s pupils may be of different sizes (anisocoria) for several reasons, including physical trauma, response to light, and infection. The condition may also be present from birth. Pupils, or the ...