Чт, 03 мар 2016 Автор: врач-терапевт АннаDenisova
Аккомодацией глаза врачи называют способность ясно
видеть предметы, находящиеся на различных расстояниях от
eyes.
Normal accommodation can only be the case
если хрусталик достаточно эластичен.
But, unfortunately, the older the person, the worse the elasticity.
In adolescence, there are the best accommodative.
properties.
Around 40 – 45 years, hyperopia is actively developing.
If a верить статистике, то у многих людей к 70 годам полностью
утрачиваются все аккомодационные properties.
In twilight time, accommodation that provides vision
the ability to see far, disappears. This is the main reason
poor night vision at night. But what is the reason for such a state
and is it possible to fight him.
Contents
Causes of accommodation spasm
Among the many causes of spasm,
first place can be blurred vision due to optical
несовершенств eyes.
In order to well consider the subject, you need to
approaching, the amplification of accommodation at this moment leads to
the occurrence of spasms. This condition can lead to
insufficient lighting.
In children suffering from chronic intoxication, and therefore
a weakened organism, often arises neurasthenic
syndrome. This condition is accompanied by poor appetite, restless
sleep, tearfulness. Chronic intoxication leads to impaired
balance between inhibitory and irritable processes.
Adverse hygienic conditions for chronic
intoxication, accompanied by vegetative dystonia, which ultimately
leads to the creation of favorable conditions for the occurrence of spasm
accommodation. Because in children, the main cause of
spasm, is a chronic intoxication of the body.
In order for the accommodation spasm reflex to appear, it must
defocusing of the image. The thing is that the brain
perceives focusing in a special way, starts to nerve
pass a nerve impulse that leads to a reduction in ciliary
muscle After that, the curvature of the lens decreases. Focus of the main
image starts moving to the retina. If a человек переведет
gaze into the distance, then the focus will go back to the retina.
There are a lot of other factors affecting
development of accommodation spasm:
1. Vision has a large load. Basically it is long
stay at the computer
2. There is no strict day regimen.
3. The chair on which the child or adult is sitting does not fit
growth.
4. Книга находится слишком близко или далеко от eye.
5. The neck and spinal muscles are weakened.
6. There are disorders in the spine.
7. Improper nutrition.
8. Sedentary lifestyle.
Ophthalmologists secrete several types of spasm
accommodations:
1. Physiological. This species arises in response to visual
overload
2. Pathological. A sharp decrease in acuity occurs.
view.
3. Artificial. This spasm does not require treatment, as it
occurs in response to various drops, and after some time
disappears.
Accommodation spasm – diagnosis
There is nothing to detect the presence of accommodation spasm.
complex. In many ways, the diagnosis is based on the evaluation of clinical
symptoms. Based on them, doctors find out whether there is a connection between
зрительным напряжением, и присутствием появившихся symptoms.
If a при визуальном осмотре не удается ничего выявить,
Ophthalmologists conduct the following studies:
1. Determine visual acuity at the moment.
2. Assessment of the level of refractometry.
3. Определение резерва accommodation.
The spasm can be quite strong and reach three diopters.
Vision for some period of time loses its sharpness. Exactly
so doctors call spasm false. After restoring vision
a person sees exactly the same as before.
In adolescence, accommodation spasm is easily treated, but if not
no measures will be taken, the imaginary myopia will grow into
constant.
Treatment of accommodation spasm
Before ophthalmologists prescribe the appropriate treatment, they
carefully examine you in order to accurately confirm the diagnosis.
The survey includes the following activities:
• determination of refraction;
• visometry;
• определение запасов accommodation.
Remember that you need to be examined at least once a year.
specialist, even if there is no cause for concern.
When identifying a spasm of accommodation, the patient is sent to
general practitioner (pediatrician), neurologist, ENT – doctor. These measures
allow in a short time to identify the cause of provoking development
spasm. If a было найдено хотя бы одно отклонения от нормы,
it is necessary to take all measures for its elimination.
To eliminate the causes, experts prescribe
use of eye drops (Midriacil, Tropicamide). A course of treatment
depends on the name of the drug, but, as a rule, it is
not more than a month. In most cases the accommodation spasm succeeds.
take off. It is possible that through some time he will return.
In order to prevent this, it is necessary to carry out
alternative treatment:
1. Relieve stress from the eyes with special
exercise.
2. Physical activity. It could be swimming, riding
bike ride.
3. Massage. It is necessary because one of the false reasons
causing myopia is scoliosis.
4. Acceptance of a complex of vitamins that contain lutein.
5. There is a proven set of exercises for the eyes, which
helps prevent persistent myopia and false myopia:
6. It is recommended to squeeze in a few seconds quickly
and open your eyes. This exercise is repeated up to 15 times,
several times a day.
7. Hold a pencil or pen and slowly bring it closer.
eyes and then remove. The eyes must constantly monitor
subject matter.
8. rotate your eyes clockwise several times a day,
then counterclockwise. Repeat the exercise 5 times.
9. Within one minute, blink quickly, then
massage your fingers. To do this, close your eyes.
In order to prevent the development of false myopia you need
eat as many foods with vitamin C as possible. Besides
этого существуют упражнения для того, чтобы тренировать
eyes, they are as follows:
1. Attach a circle to the window.
2. Sit one meter away from him.
3. Take turns focusing on him and then on another
subject.
It is recommended to repeat the exercises for 5 minutes, 3-4 times a
a week
Currently, the accommodation spasm can be treated with
laser therapy. And the less the patient’s age, the more effective
there will be a procedure. The laser beam acts directly on the eye, all
pathological processes slow down, thereby stimulating
visual functions. Can restore 99-100% of view.
At home, you can also carry out treatment, such
device like glasses Sidorenko. The range of their effects is enough
extensive, since they affect not only directly the vision,
and all nearby muscles. Due to light pulses
the pupil is “massaged”, and the accommodation spasm is due to this,
completely removed. Unlike drugs, you can use glasses
children from the age of three, since they have absolutely no
effects.
Action points based on the fact that they affect all
adjacent muscles to the eye using vacuum pressure. Device
significantly improves venous outflow, outflow of fluid inside the eye.
The skin around the eyes is smoothed, all scars are resolved, if there is
puffiness, it will subside. The improvement condition comes after the first
application, accommodation spasm, of course, does not pass immediately, but
getting smaller.
Despite the numerous qualities of the glasses,
certain contraindications:
• mental and neurological disorders;
• cancer tumors;
• retinal detachment;
• pregnancy.
The course of treatment with glasses is 10 procedures, every day for 7-10
minutes Then a break of three months is made and repeated.
Not so long ago, a new ultrasound machine was developed, which
able to relieve from spasm of accommodation, both children and
adults.
Magneotherapy is recommended for the treatment of false myopia.
acupuncture and electrophoresis.
Prevention of accommodation spasm
Experts recommend prevention, with the aim of
prevent the occurrence of spasm as well as to
symptoms of the disease were eliminated:
1. Observe the mode of loads on the eyesight. In the presence of myopia
you need to give your eyes a rest every 30 minutes of work. Any
loads on the eyeball must alternate with periodic
rest.
2. Observe eye hygiene. To do this, select
proper lighting of your desktop or desk. Fine
artificial light should be 300 lux. Incandescent lamps
must give at least 150 lux. If you are at home
conditions, it will be quite enough to purchase an incandescent lamp with
power up to 75 watts. Read books at a distance of at least 33 cm from
eye.
3. Try not to strain your eyesight if the body temperature is equal to
37.4 and up. This is especially true of children. In adulthood with
the presence of fevers, you need to completely abandon the visual
loads. Do not watch TV, do not sit at the computer, do not
read books.
4. If at least one sign of accommodation spasm was detected,
need to perform basic gymnastics. It includes 8
exercise:
-
perform horizontal movements with the eyeball (to the right –
left); -
vertical movement (down – up);
-
rotate the eyeball in a circle (clockwise and against
hourly); -
at a quick pace, squeeze and open your eyelids;
-
move diagonally (squint in the lower left
angle then translate the look up. similar movements
performed in the opposite direction; -
Reduce your eyes towards the nose. To do this, you can put
finger on the bridge of the nose and look at it. If everything is done
correctly, then the eyes must be united; -
blink as often as possible;
-
do the work of the eyes “on distance. Go to the window
carefully look at the nearest point, sharply translate your
look into the distance. Then re-direct your eyes to the near. Repeat
упражнения в течение 5 minutes
It is necessary to carry out a complex of recreational activities, in
first of all they include physical activity. Useful to visit
pool. Try as much as possible to walk in the fresh air. If a
have the opportunity, visit the sanatorium.
Питайтесь правильно. In the diet should be
a sufficient amount of keratin – persimmon, dried apricots, carrots.
We need full vision for normal
life activity. If a вы чувствуете, что глаза стали быстро
tired, many objects at a certain distance are hardly visible,
be sure to visit an ophthalmologist. Maybe it’s just fatigue
or perhaps the onset of serious illness. Watch out for
their health.
