Is it myopia or astigmatism? What is the difference between myopia and astigmatism

Generally, people with myopia have a certain astigmatism, you can go to the hospital to see, if the astigmatism is below 25 degrees, it doesn't matter, I think you still use your eyes excessively, pay attention to using your eyes for more than 2 hours in the future to do eye exercises or look at the distance, and at the same time to eat more to increase protein in the diet and reduce carbohydrates**, which can reduce or stop the increase in myopia in adolescents with genetic background and myopia. Therefore, to avoid the occurrence of myopia, eat less sweets and high-sugar foods. Too much sugar will produce a large amount of acidic substances in the blood, and the acid will combine with the salt in the body, especially calcium, resulting in a decrease in blood calcium, which will affect the toughness of the eye wall, make the eye axis easy to elongate, and promote the occurrence and development of myopia.

On the surface of the study, the prevention of myopia can be supplemented with protein, calcium, phosphorus, carrots, bean sprouts, oranges, mandarins, red dates, animal liver and other vegetables and fruits are also beneficial to the prevention of myopia.

If you don't have glasses, if one eye has weakened vision but is not corrected by glasses, then when the two glasses see the same thing, in order to achieve similar imaging results, the eyes with poor vision will be more nervous, more likely to get tired, and then cause faster vision loss.

Your case should be myopia, just blurry, if it is astigmatism, the phenomenon is double vision.

Wear glasses as soon as possible and take care of rest, which can stop the progression of myopia.

Go for an optometry. It's clear.

There is a difference in myopia that can be seen clearly in the visual acuity range class. Flashes don't work.

The most effective method is laser 2000 yuan.

If you don't**, wear your eyes to prevent further vision loss.

By definition, astigmatism refers to the fact that the refractive power of parallel rays from the outside world is different on different sub-bus lines, so after passing through the refractive system of the eye, there are many different focal points after imaging on the retina, which is called astigmatism. Myopia is imaging in front of the retina, forming a focal point. Myopia is to see far and not see clearly, while astigmatism is to form multiple blurred images regardless of distance.

There is a difference between myopia and astigmatism, refractive error includes myopia, farsightedness and astigmatism, myopia is when our parallel rays are relieved of the adjustment of our eyes, parallel rays pass through our corneal lens vitreous humor, through our refractive medium to reach our retina, that is to say, our imaging object imaging, in front of our retina, this is called myopia. Astigmatism is the parallel light passing through these refractive mediums, it can not be focused on a point, but on a plane, and then some will focus on a point in front of the retina, one will fall behind the retina, or some will fall on the retina, that is, it will be astigmatism. It has a true myopia of astigmatism and a refractive astigmatism, the astigmatism of this myopia is not the same as myopia and astigmatism, astigmatism we fall in front of the retina, there is myopic astigmatism, there is farsighted astigmatism and a mixed astigmatism, astigmatism can also be carried out by wearing astigmatism films, myopia and farsightedness, myopia and astigmatism It is different, myopia is focused on a point and astigmatism is focused into a surface, can not be completely into a clear image falls on our retina.

It may be astigmatism, which means that you can't focus your gaze on one point when you look at something. You can go to lookcc glasses network and ask experts how to judge.

Astigmatism is a manifestation of refractive error of the eye, which is related to the curvature of the cornea, and after the parallel light enters the eye, due to the unequal refractive power of the eyeball on different meridians, it cannot be focused on one point, and it cannot form a clear image, which is called astigmatism. Myopia is also a refractive error, which refers to the fact that in a state of relaxation, parallel light rays pass through the refractive system of the eyeball and focus in front of the retina, which is called myopia.

To effectively distinguish between diffuse light and myopia, you must first understand the difference between the two. There is a certain difference between astigmatism and myopia in terms of disease characteristics, pathogenesis, clinical manifestations, etc., so it can be used as a criterion for identification, which can be examined with the help of corneal lenses and other instruments, and can also be used for eye examinations such as dilated optometry and fundus diagnosis, so as to determine whether it is astigmatism or myopia.

Although astigmatism and myopia can cause significant loss of vision, the specific symptoms vary significantly. Astigmatism can cause blurred vision, whether seen from a distance or up close, and there is obvious double vision, it is easy to have visual fatigue, and there will also be headaches and eye pain. And the myopic eye just can't see clearly, and objects at close range can see clearly.

In short, the method of distinguishing astigmatism from myopia is relatively simple, and the examination methods such as dilated eye refraction and fundus examination can be carried out according to the typical adverse symptoms that appear, which can more accurately determine which type of refractive error it belongs to.

1. How to distinguish between light dispersion and myopia.

If you want to effectively distinguish between scattered light and myopia, you need to understand the difference between the two. Astigmatism and myopia have certain differences in disease characteristics, pathogenesis and clinical manifestations, so they can be used as a distinguishing standard, and can be examined with the help of cornatoscopes and other instruments, and can also be used for eye examinations such as dilated refraction and fundus diagnosis, so as to determine whether it is astigmatism or myopia.

2. The difference between astigmatism and myopia.

1.Disease features.

Astigmatism and myopia are actually two different types of refractive errors. Astigmatism refers to the fact that the external light passes through the refractive system to form two different focal points, and the retina will appear blurred and unclear. Myopia, on the other hand, refers to the fact that parallel light rays from the outside world pass through the refractive system and are imaged before the retina.

2.Causes.

Astigmatism is usually caused by improper eye posture, such as reading a book while lying on your stomach. These factors can also contribute to myopia, but myopia is more due to overuse and eye fatigue.

3.Clinical symptoms.

While both astigmatism and myopia can cause significant loss of vision, the specific symptoms are significantly different. After the occurrence of astigmatism, it can lead to blurred vision, whether it is to see distant or near objects, it is blurred, and there will be obvious double vision, it is easy to have visual fatigue, and it can be accompanied by headache and eye pain. The myopic eye only can't see the distance clearly, and can see near objects clearly.

All in all, the method of dispersive light and myopia is relatively simple, and it can be based on the typical adverse symptoms that appear, and with the help of dilated refraction or fundus examination and other examination methods, so that the specific refractive error can be more accurately determined.

The difference between astigmatism and myopia.

Chief Physician Min Xiaoshan.

Top 3 National No. 14 Department of Ophthalmology, Xiangya Hospital, Central South University.

Quark Health's three reviews and three proofreadings of high-quality content.

The difference between astigmatism and myopia is different, the symptoms are different, the symptoms are different, the harm is different, etc., patients with astigmatism or myopia need to actively cooperate with the doctor** to avoid the continuous aggravation of the condition.

1. **Different:

Astigmatism is due to congenital abnormal changes in the cornea, changes in corneal curvature or uneven refractive surface of the cornea, ophthalmic surgery and other reasons resulting in different refractive power of the eyeball, and the light cannot be focused on a certain point, and the symptoms of astigmatism appear. The causes of myopia are related to genetics, long-term close eye use, lack of outdoor activities or poor lighting, which leads to myopia when light enters the eye and is focused in front of the retina.

2. Different symptoms:

Astigmatism can cause symptoms such as vision loss and eye fatigue, and may also be accompanied by head tilt, torticollis or squinting, and some patients may experience nausea and vomiting. Myopia will cause patients to see blurred vision in the distance, see better near vision, and if the myopia is relatively high, there may also be symptoms such as poor night vision, floaters or floating objects in front of the eyes.

3. **Different:

Astigmatism can be corrected with astigmatism lenses or by corneal laser surgery if it is due to congenital causes or eye surgery**. Myopia needs to be corrected through the use of myopia glasses, and if the patient is over 18 years old and has a relatively stable myopia, he or she may choose to undergo laser corneal refractive surgery, intraocular lens implantation and other surgeries**.

4. The hazards are different

Astigmatism is often associated with nearsightedness or farsightedness, and if the disease progresses, it can also lead to strabismus or amblyopia, and astigmatism can cause tilted head and torticollis, which can affect the appearance. Myopia can have a serious impact on the patient's life, and patients with high myopia may experience impaired visual function, leading to complications such as vitreous abnormalities, glaucoma, macular degeneration, or retinal detachment.

Patients with astigmatism or myopia need to pay attention to eye care in daily life, avoid eye overwork, pay attention to eye hygiene, and avoid rubbing their eyes with dirty hands, which has a certain auxiliary role in preventing astigmatism or myopia.

Astigmatism and myopia are both refractive errors.

Astigmatism is when the eye is in an unadjusted state, parallel rays of light 5 meters away enter the eye, and after the eye twists and turns, they cannot focus on one point on the retina, but form two focal lines in front and back on two axial meridians perpendicular to each other. Cause blurred vision, visual fatigue and other conditions.

Myopia is a blurred image of the eye in which parallel rays of light 5 meters away enter the eye in an unadjusted state, and after the eye is twisted and turned, it becomes a blurred image in front of the retina and the focal point.

The main difference between astigmatism and myopia is **, symptoms, and degree stability.

1.Myopia means that the object is in front of the retina when imaging, and astigmatism is directly related to the curvature of the human cornea.

2.Symptoms: The main symptoms of astigmatism are visual fatigue and vision loss, and the more severe the astigmatism, the more severe the vision loss. The most obvious feature of myopia is that it can see things blurrily, and even many things need to be squinted to see clearly.

3.Power stability: Myopia is very easy to deepen, if you do not pay attention to the protection of vision in daily life, it will lead to a rapid increase in power. The degree of astigmatism will be more stable.

However, both myopia and astigmatism are common eye diseases, and they can also cause vision loss or visual fatigue. Therefore, when the patient has the above two conditions, he should go to the local hospital for relevant examinations in time, and then wear lenses and surgery**.

Astigmatism differs from myopia in the following ways:

1. The difference between myopia and astigmatism: In terms of myopia, myopia is the image of the object before the retina answers. To put it simply, distant objects form a focal point in front of the retina, and distant objects cannot be seen clearly.

The formation of astigmatism is generally very related to the curvature of the cornea. Patients with astigmatism have uneven corneal curvature and uneven thickness, which makes it impossible for light to be accurately focused on the retina. However, it should be reminded that astigmatism is usually accompanied by myopia or farsightedness, and usually does not exist alone.

2. The symptoms of myopia and astigmatism are different: Of course, the symptoms of myopia and astigmatism are also different. In the case of myopia, people will have blurred vision, and they can see things that are near clearly, but they cannot see things that are far away.

In the case of astigmatism, in addition to blurring, what people perceive is more obvious is the double vision symptom, that is, seeing one point as many points.

3. The degree stability of the two is different: Finally, myopia and astigmatism are also different from the degree stability. If you have myopia, if you don't pay attention to protecting your eyesight, your prescription will deepen rapidly.

In ordinary life, if you take good care of your eyes, myopia below two years may return to normal. For astigmatism, its power is generally relatively stable, and the decline in power is less likely and more difficult.

There are three differences between astigmatism and myopia:

1. Different mechanisms: myopia refers to the refractive state in which the parallel rays entering the eye can only be imaged in front of the retina, not on the retina. Astigmatism refers to a refractive state in which the parallel rays entering the eye do not form a focal point and cannot form a clear image, but form a focal line and a minimal diffuse spot.

2. Different symptoms: myopia is manifested in the blurred vision of distant objects, and it is clear when looking at near places, while astigmatism refers to double vision when seeing things, and the direction of ghosting is different for different types of astigmatism, and this blurring cannot be improved by adjusting the eyes themselves or moving the distance of vision.

3. Different progression: It means that the degree of stability of myopia and astigmatism is not the same. If you don't pay attention to your eye habits, the degree of myopia will continue to increase during the teenage years.

Most astigmatism is congenital, and the power is generally stable and does not increase significantly. If the astigmatism increases significantly in a short period of time, keratoconus is considered to be a high possibility and it is necessary to seek medical attention promptly. There are also some astigmatism caused by external eye masses or trauma, etc., and the degree is generally related to the primary disease.