{"id":2683,"date":"2017-10-26T20:03:37","date_gmt":"2017-10-26T14:33:37","guid":{"rendered":"https:\/\/healthool.com\/?p=2683"},"modified":"2022-01-12T13:13:36","modified_gmt":"2022-01-12T07:43:36","slug":"pinpoint-pupils","status":"publish","type":"post","link":"https:\/\/healthool.com\/pinpoint-pupils\/","title":{"rendered":"Pinpoint Pupils"},"content":{"rendered":"

What does pinpoint pupils mean ?<\/h3>\n

A pupil is a tiny black hole in the center of the eye. It is round shaped and medium sized. It has the ability to dilate and constrict.<\/p>\n

Light enters through the pupils and the dilation and constriction of pupils primarily depends on the exposure of light. The pupil constricts if the light is bright. The constriction is the eye\u2019s way of limiting the amount of light that enters. On the other hand, the pupil gets big or dilated in dark areas so as to improve the night vision.<\/p>\n

However, a condition called pinpoint pupil is possible if the pupil remains constricted irrespective of the exposure to light. A pinpoint pupil is also called abnormal miosis. It is an indicator of many medical illnesses and therefore a cause of concern. As a matter of fact, some of the underlying causes of pinpoint pupils can be fatal and warrants immediate medical attention. (1, 2, 3<\/strong>)<\/sup><\/p>\n

\"A<\/p>\n

Image 1: A patient with pinpoint pupils secondary to opiate use.
\nPicture Source: healthjunta.com<\/p>\n

\"A<\/p>\n

Photo 2: A comparison image showing a normal sized pupil, constricted pupil (secondary to heroin use), and dilated pupil indicating substance withdrawal.
\nImage Source: www.howtokickheroin.com<\/p>\n

\"Image<\/p>\n

Image 3: Image A showing dilated pupils and image B showing bilateral pinpoint pupils.
\nPhoto Source: m1.healio.com<\/p>\n

Pinpoint Pupils Symptoms<\/h2>\n