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Toggle Causes subsection. 1.1 Age. ... Symptoms: Constricted pupils: ... Anisocoria is the condition of one pupil being more dilated than the other.
Adie syndrome presents with three hallmark symptoms, namely at least one abnormally dilated pupil which does not constrict in response to light, loss of deep tendon reflexes, and abnormalities of sweating. [1] Other signs may include hyperopia due to accommodative paresis, photophobia and difficulty reading. [3]
Mydriasis is the dilation of the pupil, usually having a non-physiological cause, [3] or sometimes a physiological pupillary response. [4] Non-physiological causes of mydriasis include disease, trauma, or the use of certain types of drugs. It may also be of unknown cause.
Horner's syndrome, also known as oculosympathetic paresis, [1] is a combination of symptoms that arises when a group of nerves known as the sympathetic trunk is damaged. The signs and symptoms occur on the same side (ipsilateral) as it is a lesion of the sympathetic trunk.
Anisocoria has various causes: [3] Physiological anisocoria: About 20% of the population has a slight difference in pupil size, which is known as physiological anisocoria. In this condition, the difference between pupils is usually less than 1 mm. [4] Horner's syndrome
A contracted pupil during sleep may be an indication the brain is replaying new memories while a dilated one may hint at older memories being relived, a new study suggests.. The study, published ...
The main characteristic that distinguishes physiological anisocoria is an increase of pupil size with lower light or reduced illumination, such that the pupils differ in size between the two eyes. At any given eye examination, up to 41% of healthy patients can show an anisocoria of 0.4 mm or more at one time or another.
The cause is usually from a spreading infection in the ... Cavernous sinus thrombosis symptoms include: ... One or both pupils may be dilated and sluggishly reactive.