Advice 1: Why an increase in the pupil

The expansion and contraction of the pupils is a process in which the person is virtually unable to influence. In addition, the size of the pupil can tell about what is happening inside a person, but rather what he feels. Most importantly, learn to understand this information.
Why an increase in the pupil



Interestingly, for completely different reasons, the pupil may increase to 4 times. What are the reasons?

Drugs

Most often, the pupils dilated using eye drops, but some pills have the same side effect. Therefore, it is necessary to pay attention before they eat (this property is usually specified in the column "Side effects").

Darkness

When a person enters the dark room, the pupils dilate so the area of the perception of vision increased and partially compensated the lack of adequate lighting.

Fear

The muscles located in the iris react to fear, activated the parasympathetic nervous system reflex and the pupil expands. The same happens during times of stress and nervous breakdowns.

Bad habits

Alcohol abuse, Smoking, intake of narcotic and psychotropic substances can always be recognized by the advanced pupils of the person. This is due to the fact that the brain is not receiving sufficient oxygen.

The pain and shock

In case of serious damage, such as fractures or injuries in the body release adrenaline (the stress hormone). This is what provokes an increase of the pupils.

Excitation

When dealing with the opposite sex, which is accompanied by sympathy, people pupils dilate. This is a sure sign, indicating that you are not indifferent person.

To be a secondary reason for the increase in pupils include arrhythmia, deep anesthesia, a sharp irritable factors (a sudden loud noise or bright light), interest in anything and a good mood. Life observation suggests that the slightly dilated pupils always present in people, balanced relating to the life and having a calm nature.


Advice 2: Drops which increase the size of the pupil

Without midriatikov – drops which widen the pupils, you can't see the fundus and to identify such menacing diseases as degeneration or retinal detachment. Eye muscle spasms cause false myopia. Mydriatic "turn off" these muscles, and you can determine the actual visual acuity. In addition to diagnosis, these drops are commonly used in the treatment of inflammatory diseases of the eyeballs. Without midriatikov impossible and a surgical operation.
Pupil-dilation drops required for a thorough diagnosis and treatment of eye diseases
Instruction
1
A few years ago at the Grand balls ladies fascinated gentlemen sparkling, unusually expressive eyes. Their pupils were wide open. For cosmetic reasons ladies used "Atropine", burying him in the eye.
2
In Soviet times, "Atropine" is widely used in ophthalmology. But today it is almost abandoned. "Atropine" is a lot of disadvantages. Importantly, the effect of the drug is very long, the pupils do not constrict from three to ten days, and all this time people vaguely see. Besides, "Atropine" – many contraindications, so its use alone is simply unacceptable.
3
Today, there are a series of drugs that are devoid of these shortcomings and – most importantly – less toxic. Dilates the pupils for a short time, and reduces the intraocular pressure "Eririn". Therefore, these drops are for diagnostics and for the treatment of ophthalmic diseases.
4
But "Eritrina" there are downsides. These drops it is impossible to treat older people with serious pathologies of brain vessels, of the heart. They can cause pressure rise, arrhythmias. Children under the age of 12 years the drug is also not buried.
5
Very important information: all drop-mydriatic is contraindicated in most forms of glaucoma! Therefore, the use of these drugs is necessary to measure the intraocular pressure.
6
Well tolerated by patients "Mydriacyl (Mydrum", "Tropikamid"). Pupils are maximally increase after 15-20 minutes. And narrowed about three hours. It is very convenient as visual acuity and full human performance recover fairly quickly. Instilled with the drug for adults and children.
7
However, "Mydriacyl" should be used cautiously if increased intraocular pressure or there is inflammation of the ocular apparatus. It is undesirable to use it at a deep enough anterior chamber.
8
Similarly, there are and drop the "Zycloned". It should not be confused with drops "Cipromed" – is an antibiotic that treat infections of the eye! Drug "Cyclamed" dilates the pupils for a longer time, from 6 to 12 hours or even longer.
9
There is a "Ticlaumeda" and limitations. It should be carefully administered during the treatment of the elderly and children up to three years. Allowed the appointment of "Ticlaumeda" pregnant and lactating women. In the presence of the adenoma of prostate, intestinal obstruction better to give him.
10
"Mezaton" too "long-playing" drop. Instructions you may not use them in hypertension, atherosclerosis, pancreatitis, hepatitis, pregnancy and lactation.
11
"Applid plus" is one of the most fast-acting drugs. Pupils dilate literally five minutes after instillation and are in such condition one to two hours, depending on the concentration of the solution. A narrow five to six hours.
12
But "Appamada plus" contraindications too much. In addition to glaucoma and diabetes, angina, arrhythmia, severe hypertension and thyrotoxicosis, and pregnancy, and breast feeding. Children generally do not assign these drops.
Note
It is prohibited to use drugs-mydriatic by choice. Only ophthalmologist, after examination, have to pick up drops for you, and assign the exact dosage, treatment course.

In drops "Applid plus" contain preservatives, accumulate in soft contact lenses. So to wear them you need half an hour after instillation.

In the treatment of mediatiimi it is important to follow the dosage. So if one eye gets one more drop than the other, then the next morning one pupil may be normal, and the other extended.
Useful advice
While dilated pupils, visual acuity is very low, and the person sees everything blurry. In this state you can neither read nor write, and even more so to drive a car. In addition, eyes are blinded by bright light, so you need to stock up on sunglasses.
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