Causes For Uneven Pupil Dilation

Dilated Pupils - Definition, Symptoms, Causes, Diagnosis and Treatment

For those who would like to know as to what is a dilated pupil, must be made aware of the fact that dilating pupils are a kind of a physiological response to a stimulus that is actually underlined by involuntary reflex actions. It is characterized by the changes in the size of the pupil.

Light conditions acts as a stimuli for uneven pupil dilation. It may also be a case of pupil dilation attraction, in which case the pupil expands when it is interested in a particular subject. Sexual orgasm may also serve as a stimulus for pupil dilation. In such cases, one may suffer from dilation of the pupils due to a Pavlovian response to some kind of stimulus. This kind of a pupillary response usually increases with age and aged people suffer from fixed and dilated pupils.

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A fixed and dilated pupil is actually known as Mydriasis. It is basically the result of an excitation of the iris which causes an opening up of the papillary aperature. Dilated pupils in children are also quite common. There may be very many causes of dilated pupils but neurological problems are the most common cause of the same. Uneven dilated pupils may be a sign of a serious condition which may be life-threatening if not treated in time.

The symptoms of dilated pupils depend on the underlying cause of the same. It may be accompanied by symptoms associated with other causal agents and disorders. Since it is associated with neurological problems, it may lead to nausea and vomiting, slurring of the speech, sub consciousness, tachycardia, and numbness. It may also be characterized by a lack of alertness or consciousness, unresponsiveness, changes in behavioural patterns leading to a state of confusion, or giving rise to delusions and hallucinations.

One may also suffer from severe headache accompanied by eye pain and other ophthalmologic problems. One may also suffer from one dilated pupil, which is also known as unilateral dilation of the pupils. A dilated pupil in severe cases may also be accompanied by an inability to control one’s bowels and bladder, and numbness or even paralysis. Life-threatening cases of dilation may be signalled by serious problems such as coma, muscle weakness, and shocks.

Usually a dilated pupil is caused due to a stimulus to light, wherein the pupils constrict when light brightens and dilates when light dims. Pupils dilate to allow for more light to enter the eyes, so that one is able to see objects even in a poorly lit area. However, if one wants to know what causes dilated pupils other than the natural cause, one must be enlightened with the fact that pupils always dilated may have other causes. Emotions such as fear, anger, sexual orgasm and attraction may also fall under the category of naturally induced causes of dilated pupils. Dilated pupils ecstasy is also a cause of ecstasy and overexcitement that one may experience while having a strong libido. The basic reason cited behind the constant dilated pupils is the release of oxytocin. The opposite of dilated pupils is known as Miosis.

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