The spherical power is 5 25, what does the cylindrical power 0 5 mean?

It is generally believed to be 525 degrees of myopia, which means 50 degrees of astigmatism. In this case, it is necessary to intervene and correct it in time.

Myopia astigmatism in the eyes does this:

1. Check the recovery of vision regularly.

After receiving vision correction measures, children with astigmatism must remember to go to a specialist hospital for regular check-ups to see how well their vision is restored. It is not permissible to take the previous measures without changes and adjustments.

2. The correction process of astigmatism is long-term and must be adhered to.

This kind of refractive error does not occur in a day or two, and it must be persevered in order to gradually recover.

3. Fundamentally supplement vision nutrition.

The cause of astigmatism is the lack of vision nutrients, which leads to poor eye development and astigmatism, so it is necessary to fundamentally supplement vision nutrition. It is recommended to take Joyeye Vision Nutrients, twice a day, one sachet each time, take it with warm water, insist on taking it for a period of time, the nutrients will be absorbed by the soft tissues of the eye, and the vision will gradually recover.

It is generally considered to be myopia.

525 degrees, which means 50 degrees of astigmatism.

So it is a certain eye with 525 degrees of myopia and 50 degrees of astigmatism.

Astigmatism**: 1Curvature.

Unequal: that is, the curvature of the refractive surface of the eye is inconsistent, mostly in the cornea, but also in the lens.

Mild astigmatism, thought to be physiological, is most commonly caused by a greater vertical curvature of the cornea than the horizontal one, usually about the same. It is caused by frequent compression of the upper and lower eyelids, and this physiological defect tends to grow mildly with age. Those with a large degree of astigmatism are mostly congenital, and acquired ones are often caused by corneal diseases.

Such as keratoconus, degenerative lesions around the cornea, or scarring due to corneal inflammation.

It often causes irregular astigmatism. In addition, cataract surgery.

Posterior or eyelid masses can also cause irregular astigmatism.

2.Optical center deviation: It is mostly caused by disease or trauma The lens subluxation or obvious deviation of the position, resulting in astigmatism is very obvious.

3.Unequal refractive index: It is caused by the difference in refractive rate in different areas of the lens, such as the change of refractive medium caused by cataract, which can lead to various astigmatism, distortion of vision and polyopia.

It is generally believed that the right eye is myopic 525 degrees, and the left eye column lens means that the left eye is myopic 575 degrees with 50 degrees of astigmatism.

1.Central vision: This is the visual acuity that people usually look at eye charts to determine, including distance vision (looking at an eye chart from a distance of 5 meters) and near vision (looking at an eye chart at 30 centimeters).

Patients with hyperopia present with better distance vision than near vision; The opposite is true for patients with myopia. People with astigmatism have poor distance and near vision. When the near and distance visual acuity is above or above, the central visual acuity is normal.

2.Peripheral vision: When the eye fixes on a certain target, the range that can be seen in the non-fixation area is large or small, which is called peripheral vision, which is often referred to as "residual vision".

Generally speaking, the peripheral vision range of a normal person is quite large, up to 90 degrees on both sides, 60 degrees above and 75 degrees below. Patients with myopia and night blindness have poor peripheral vision, and some fundus diseases can also cause peripheral vision loss.

3.Stereoscopic vision: Stereoscopic vision is a kind of highest-level vision, that is, on the basis of normal vision in the center of the two eyes, through the harmony of the two hemispheres of the brain, you can feel the distance relationship between objects in space.

Some people have normal central vision, but stereoplastic vision is abnormal, which can only be considered normal when central vision, peripheral vision, and stereopharic vision meet physiological requirements.

This refers to the refractive power of the lens, which is the ability of the lens to change the divergence of the beam.

Spherical lens means that the refractive power of a spherical mirror is -1 meter.

A cylindrical surface is defined as having a refractive power in the direction of 163 degrees, with a focal length of -1 meter, and no refractive power in the direction perpendicular to it.

The standard way to write should be: right eye, 1 25 0 75 () left eye, 1 75 0 25 () take the right eye as an example, that is, 125 degrees of hyperopia and 75 degrees of astigmatism. Note: There should be a number in ().

Spherical mirrors are divided into two categories: convex mirrors and concave mirrors.

Concave mirror: A spherical mirror that uses the inside of the spherical surface as a reflective surface is called a concave mirror.

Convex mirror: A spherical mirror that uses the outside of a spherical surface as a reflective surface is called a convex mirror.

The reflective surface is a spherical mirror. There are two types: concave spherical mirror and convex spherical mirror. Concentric beams (see Ideal Optical System) reflected by a spherical mirror do not strictly intersect at the same point, so the spherical mirror cannot image ideally.

However, for paraxial rays, the reflected light can be approximately regarded as concentric beams, so spherical mirrors can be used as imaging elements under paraxial conditions. The center point A of the light-receiving part of the spherical mirror is called the vertex, and the line between A and the center of the sphere C is called the main optical axis.

Spherical lens refers to myopia, cylindrical lens refers to astigmatism, from the above data can be known myopia 125 degrees, astigmatism 25 degrees, astigmatism axis is 163 units.

If the astigmatism is above 50 degrees, it needs to be corrected with astigmatism. 25 degrees do not need to wear astigmatism, only a 125 degree glasses can be used.

This mainly means that the right eye is 25 degrees of hyperopia, combined with 50 degrees of myopic astigmatism, the axis of astigmatism is in the direction of five degrees, and the left eye is 50 degrees of hyperopia, combined with 50 degrees of myopic astigmatism, and the axis of astigmatism is in the direction of 175 degrees!

The cylindrical lens refers to astigmatism, and the first minus sign represents myopia, which is 50 degrees of myopic astigmatism. Generally, on the ophthalmic optometry sheet, there will be an axial degree behind it, which is the axial degree of the astigmatism cylindrical lens.

50-degree astigmatism is relatively small, some patients may not need to wear glasses if the eye muscle adjustment ability is good, but with age, the eye muscle adjustment ability is poor, 50 degree astigmatism may see things more and more blurred, astigmatism is mainly to see objects with double vision, so optometry glasses are needed.

The spherical lens in the results on the physical examination form should refer to myopia or farsightedness, if the front is a minus sign, it is myopia, and the front is a plus sign, it is farsightedness. Whereas, cylindrical mirror refers to astigmatism. So if the child is a plus spherical lens, then it means that the child has farsightedness of about 200 degrees, which is normal.

At present, it is necessary to pay attention to the child's vision, and the six-year-old child should be able to achieve it, if not, it needs to be further examined in the eye clinic of the hospital.

This is an exponent of his measurement of the eye.

The right eye is only the power of the hemisphere near, and then pushed out of the degree.

Maybe your eyes are not so good, the vertex is too big, your myopia is too bad, yes, it's not deep, you still have to wear glasses.

As shown in the image above:

R (right) or OD stands for the right eye, if the diopter of the left and right eyes is different, please pay attention to the distinction;

L (left) or OS for left eye;

S (sphere) stands for spherical lens (myopia or farsightedness);

c (cylinder) stands for cylindrical mirror (also known as astigmatism);

A (axis) represents the axis position (the direction of the astigmatism axis);

VA (Vision) stands for visual acuity (how clear it is to see things);

PD stands for interpupillary distance (the distance between the two points in the center of the pupil of the left and right eyes), and the PD on the optometry sheet indicates the interpupillary distance of both eyes;

From this, it can be judged that r -500 -50 x 180° -550 :60 means that the right eye is myopic 500 degrees, astigmatism is 50 degrees, and the astigmatism axis is 180; myopia in the left eye 550 degrees; Interpupillary distance between both eyes 60mm; Binocular corrected visual acuity to the normal range).

The right eyeball diameter is, this you have to go to the optician's store and ask a professional.

Summary. Spherical lens 0 is normal, indicating that it is emmetropic and there is no refractive problem. The cylindrical mirror is a bit astigmatism.

Spherical lens 0 is normal, indicating that it is emmetropic and there is no refractive problem. The cylindrical mirror is a bit astigmatism.

What is the cause of astigmatism?

The main reason for suffering from astigmatism is that you have not developed good eye habits, and you often neglect to protect your eyes in daily life, life, study and work. For example, when reading and writing, the posture is not right, lying on the stomach or lying down, and not keeping the correct distance, it will cause great damage to the eyes; Long-term use of electronic devices such as hand-held computers or computers, such as playing games and staring at screens, can cause severe visual impairment and cause astigmatism. Therefore, it is recommended to pay special attention to protecting your eyes, sitting upright, and often doing eye exercises or looking into the distance, which can reduce the probability of astigmatism.

Only 3 years old, this is a computer optometry, is this astigmatism considered high?

How many degrees of astigmatism is there?

Astigmatism is 125 degrees of astigmatism, generally speaking, the degree of astigmatism under the small pupil lens is not accurate enough, it is recommended to perform dilated eye refraction. In general, if the child reaches 125 degrees of astigmatism before the age of three, he or she can usually improve his astigmatism by correcting his or her eye time and habits.

Ok thanks! What should such a young child pay attention to?

Pay attention to eye hygiene, don't rub your eyes at will, don't look at electronic products, and go out to see more green plants.

Summary. Myopia 200 degrees, astigmatism 100 degrees.

What does spherical, cylindrical mean?

Myopia 200 degrees, astigmatism 100 degrees.

What does it mean that the axis of the left eyeball mirror column is 90 interpupillary distance?

The power of the spherical lens is the degree of your myopia, representing 50 degrees, and the cylindrical lens is astigmatism, which represents the myopic astigmatism of 75 degrees, and the axis is 90, indicating that the 50-degree myopic astigmatism is on the meridian of 75 degrees.

Can you explain the point of involvement? I don't know much about that.

If you go directly to the optical store to get your glasses fitted, you can show them to him.

Summary. Cylindrical power refers to the power of astigmatism, theoretically it is normal for children to have a degree of astigmatism of 0, but it is generally rare, so it is considered normal for children to have a degree of astigmatism between 0. It is recommended that children should pay attention to scientific eye use to protect their eyesight.

If the child has eye abnormalities, he should seek medical attention in time and follow the doctor's instructions**.

What does cylindrical mean.

Cylindrical power refers to the power of astigmatism, theoretically children's astigmatism is judged to be 0 is normal, but it is generally rare, so children's astigmatism between 0 is considered to be normal hunger. It is recommended that children should pay attention to scientific eye use to protect their eyesight. If the child has eye abnormalities, he should go to the hospital and follow the doctor's instructions**.

Astigmatism is indicated.