One pupil being noticeably bigger (more dilated) than the other is the most obvious anisocoria symptom Anisocoria, the medical term for unequal pupil sizes, presents a fascinating intersection of neurology, pharmacology, and ophthalmology You might not experience other symptoms
Dilated Pupils: Causes and Concerns | Dilated pupils, Eye health, Eye facts
If that’s the case, you still need to visit an eye care specialist to have the change in your eyes diagnosed.
The condition of one pupil being larger than the other without having received dilating drops is called anisocoria
The causes of this are too numerous to discuss in detail Most common is simple anisocoria, which is usually a small difference between the pupil sizes and is a normal variant. The key issue here is the lack of response to light, as in, shining a flashlight into the larger pupil and observing no response Or, if you’ve been in a dim room and then flip on the lights, holding a mirror before yourself, and you see the “normal” pupil adjusting, but the other one doesn’t show much response.
Common causes of one pupil being dilated include physiological anisocoria, trauma to the eye or head, and certain neurological conditions Medications and recreational drugs can also cause this effect. Causes, treatments, and when to be concerned book now dilation of the pupils is a normal response our body has that filters out light to enable us to see Many know what this feels like if they have been to an optometrist needing glasses.
What makes your pupils stay open, or dilated
Webmd explains the causes, and what to do if you have dilated pupils.
