Ultrasound eye biometry in Moscow
Ultrasound eye biometry is a key method, as it provides the doctor with vital information about the internal dimensions and structure of the eyeball. This technology operates on the safe use of high-frequency ultrasound waves, which freely pass through tissue, reflect off structural boundaries, and are instantly recorded by a special sensor.
At the K31 Clinic, we use this method as a mandatory standard examination when major microsurgical interventions are planned or detailed monitoring of the progression of refractive errors is required.
Ultrasound eye biometry in Moscow allows us to determine key parameters that are hidden from a standard visual examination.
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When does a doctor prescribe eye biometry?
Ultrasound biometrics is used to obtain a reliable digital passport of the eye, without which it is impossible to carry out any high-quality implantation or calculate the power of artificial optics. We evaluate these parameters together in order to get a holistic picture of the anatomical features of a particular person, because the success of future therapy directly depends on this. The obtained ultrasound data is entered into special computer programs that automatically perform complex mathematical calculations for the needs of the ophthalmic surgeon.
When observing myopia and changes in eye length
With myopia, there is a gradual pathological measurement of the length of the eye in the anteroposterior direction, due to which the focus shifts and the person begins to see poorly in the distance.
Eye biometrics needed:
- Preparation for cataract surgery at any stage of its development
- When initially selecting or replacing an intraocular lens
- During dynamic monitoring of myopia in children and adults
- If the doctor wants to clarify the parameters of the eye before treating glaucoma
- If accurate measurements are necessary to plan further tactics of refractive surgery
Before cataract surgery
When a person's natural lens begins to become cloudy, this process gradually leads to a complete loss of transparency of the optical media, which is why light stops penetrating to the retina. In such conditions, preparation for cataract surgery necessarily includes an ultrasound scan, since this is the only reliable way to measure the exact size of the eyeball through an opaque lens.
To select an intraocular lens
The success of cataract treatment or refractive lens replacement depends on how correctly an artificial intraocular lens is selected to replace the damaged natural element. To accurately select an IOL, the doctor needs to know the ideal anatomical parameters of the patient’s eye, since even an error of a hundredth of a millimeter can lead to the person having to wear strong glasses after surgery. The procedure allows you to collect all the necessary metric data so that the new intraocular lens perfectly focuses the light on the retina and returns the patient the maximum possible visual acuity.
General information
How is ultrasound biometry performed at the K31 clinic?
Preparing for the test?
No preparation is required. The only important rule is that if you wear contact lenses, they must be removed before the examination to prevent them from deforming the corneal surface and distorting the measurement results.
If you have acute inflammation, an eye injury, or have recently had surgery, we recommend first consulting with an ophthalmologist so we can select a safe and appropriate examination format.
Procedure Steps
There are two examination methods: a contactless immersion method or a contact method.
In most cases, contact ultrasound biometry of the eye is used, which consists of several sequential steps:
- The patient sits comfortably in a chair and fixes their gaze on a special illuminated point in front of them.
- Mild anesthetic drops are instilled into the eye to completely eliminate discomfort and blinking.
- The doctor gently places a miniature ultrasound probe on the surface of the eye and lightly touches it. center of the cornea
- The device sends signals, takes the necessary measurements, and displays all digital parameters on the computer screen.
- The procedure is repeated for the other eye, after which the mucous membrane is rinsed with an antiseptic solution.
How long does the examination last and what does the patient feel?
The entire procedure takes no more than 5-10 minutes. Thanks to the preliminary application of drops, the patient feels no pain at all during contact with the eye, noticing only light, unusual touches.
Ultrasound and Optical Biometrics: Which to Choose?
To help you understand the differences between them and which method your doctor chooses in a given situation, we've compiled a detailed comparison table:
| Method | What it measures | When it's prescribed | Advantages | Limitations | Which method your doctor chooses |
|---|---|---|---|---|---|
| Ultrasound biometry | Axial length of the eye, anterior chamber depth, lens thickness | For cloudy optical media, dense cataracts, mature corneal leukomas | Passes freely through opaque media, provides accurate results for any cataract | Contact method, requires preliminary drop anesthesia | Dependent on the clinical presentation and lens transparency |
| Optical biometry | Similar biometric parameters + corneal curvature radius (keratometry) | For completely transparent optical media of the eye | It's contactless, very quick, and eliminates the risk of infection. | It's completely ineffective for dense, mature cataracts and severe opacities. | It's used as a primary method for transparent media. |
Frequently Asked Questions
What does an ultrasound eye biometry test reveal?
Do I need to prepare for an ultrasound eye biometry test?
Is an ultrasound eye biometry painful?
Sign up for eye biometrics in Moscow
Vision diagnostics are the foundation upon which all subsequent successful treatment is built.
If you have been scheduled for an ophthalmological examination before lens replacement or would like to check how your axial length has changed over the past year, don't delay this visit.
At our K31 clinic, you'll be greeted by a team of experienced ophthalmologists ready to conduct a state-of-the-art examination with a guarantee of comfort and safety. Modern equipment and a gentle approach will help you complete all tests without stress or wasted time. Take an important step toward preserving and restoring your vision – schedule an ultrasound biometry examination in Moscow today and have it examined by leading specialists.
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