Mar 28, 2019 · There's an average pupil size that's considered normal. Measured in millimeters, your eyes' pupils can change based on light, medications, and even emotions.

Anisocoria indicates unequal pupil sizes. It is relatively common, and causes vary from benign physiologic anisocoria to potentially life-threatening emergencies. Thus, thorough clinical …

Mar 11, 2024 · One pupil being noticeably bigger (more dilated) than the other is the most obvious anisocoria symptom. You might not experience other symptoms. If that’s the case, you still …

Feb 18, 2025 · 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 …

Anisocoria may be physiologic if 1mm or less and both pupils constrict normally to direct light, but... Anisocoria may also be sign of impaired neural transmission to iris sphincter or iris …

Oct 28, 2024 · Simple anisocoria, also known as physiologic or essential, is the most frequent cause of uneven pupil sizes. This particular type can affect up to 20% of the population, and …

Call it pathologic if anisocoria greater than 1mm in dim illumination, one pupil constricts poorly to light, or pupil shape irregular; If you find ptosis on side of smaller pupil, consider Horner …

Apr 29, 2023 · Most often, the diameter difference is less than 0.5 mm, but it can be up to 1 mm. Babies born with different sized pupils may not have any underlying disorder. If other family …

Mar 3, 2019 · One pupil may be bigger than normal, or one pupil may be smaller than normal, resulting in unequal pupils. In most cases, anisocoria is mild, constant and no cause for …

Slight differences in pupil sizes are found in up to 1 in 5 healthy people. Most often, the diameter difference is less than 0.5 mm, but it can be up to 1 mm. Babies born with different sized …