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Intraocular Lens

Trifocal lenses, also called

Intraocular lens implant, have been used for suitable patients in cataract surgeries for a long time. Smart lenses are trifocal intraocular lenses that provide the opportunity to solve multiple focus problems, not a single focus problem. In this way, they can also be used in the treatment of patients with refractive errors whose eyes are not suitable for laser treatment. After the treatment, patients can do tasks that require focusing both at far and near distances on their own, without glasses.

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70% of the focusing power of the human eye is provided by the cornea layer and 30% by the natural eye lens. In a healthy eye, the natural lens structure allows us to focus on both distant and close distances by stretching. As we get older, especially after the age of 40, many people lose eye flexibility and begin to have problems with near vision.

In modern society, the importance of clear vision for all distances cannot be underestimated. Especially actions such as using computers, watching television, looking at the phone screen and reading books are actions that have taken place in the routine of our daily lives. It is undeniable that problems experienced especially in near vision will reduce the quality of life.

The use of glasses and contact lenses are the first treatment methods used to correct near vision. Some patients do not want to wear glasses or contact lenses for various reasons. In addition, laser treatment is generally not suitable for patients over the age of 45. The recommended treatment method for these patients is smart lens operation.

Early cataract surgery with clear lens extraction. By doing this, the cataract problem that patients may experience in the future is prevented and they are enabled to have full vision at near, medium and long distances without glasses.

Another frequently observed condition, especially in older ages, is the loss of transparency of the natural eye lens. that is, cataract disease. Although there is a problem with distance vision at the beginning of the disease and you can continue to see clearly without the use of glasses, as the process progresses, near vision also deteriorates.

Permanent treatment of cataract consists of surgically melting the damaged natural eye lens and replacing it with an artificial intraocular lens. is to be installed. Intraocular lenses can also be used in the treatment of presbyopia (near vision problem).

These intraocular lenses have different types and are named according to their focal points. These are monofocal (single focus), bifocal (two focus) and trifocal (three focus) lenses.

Intraocular Lens

Smart lenses (trifocal intraocular lens) provide clear vision to patients at both near, far and intermediate distances. Thanks to intraocular lenses, patients can do all tasks that require watching television, using a computer and close reading with a single lens.

They eliminate the use of glasses for all these distances. These lenses, made of a special and flexible material, provide lifelong use from the moment they are placed into the eye.

What is Smart Lens? (Trifocal Intraocular Lens)

Smart lenses are trifocal intraocular lenses that are mostly used in the treatment of cataract patients over the age of 40, allowing patients to see far, near and middle distances clearly. After the operation, the need for glasses is eliminated for patients. Smart lenses are also known as trifocal lenses.

They can also be used for myopia, hyperopia and astigmatism patients whose eye structures are not suitable for laser treatment.

They used to be monofocal. Nowadays, smart lenses have been added to the single vision lenses used in cataract surgeries, which provide far and near vision. With the use of smart lenses in cataract surgeries, the need for extra glasses to be used by patients to see other focal points other than a single focal point has been eliminated.

Smart lens (trifocal intraocular lens) is used to improve the patient's field of vision and vision. It helps provide a clear and high-quality vision for the patient at all distances by stretching according to the point he wants to focus on at that moment.

Why Are Smart Lenses Needed?

Every person has a natural lens inside the eye, and this lens is both transparent and elastic. Thanks to its flexibility, this lens can change shape and focus on the distance viewed each time you look near or far. In this way, we see both far and near.

With advancing age, the natural lens inside the eye first loses its flexibility. After a while, he cannot change shape and focus while looking at close-up. As time passes, it loses its transparency and cataracts form.

Our natural intraocular lens, which loses its flexibility around the age of 40, can be replaced with a new one. An artificial lens called Smart lens is placed instead of our deformed natural lens. This new lens can now focus both far, intermediate and near. A patient with a smart lens (Intraocular Lens) will not develop cataracts in the future.

How Do Smart Lenses Work?

Light entering the eye from different distances is refracted through the natural lens in our eyes and converges at a single focal point on the retina. Thus, we can perceive the image. Our natural lens in our eyes does this by stretching itself according to different focal points. The same principles apply to the trifocal intraocular lens. It makes it possible to focus light coming from far, near and middle distance with a single lens. With Smart Lenses, it is possible to make appropriate adjustments to the focal lengths where a person has problems focusing. In addition, smart lenses can be chosen according to the person's eye type. In other words, smart lenses can be customized according to the person's needs. Thus, they eliminate the need for multiple glasses with different distances.

Smart Lens History

You can watch our documentary video to get information about the history of “Smart Lens from Past to Today”.

What are its areas of use?

Smart lenses are used in the treatment of cataract disease, which occurs due to the loss of transparency of the natural eye lens, or in the treatment of patients with age-related nearsightedness. It is a permanent treatment method for both cataracts and age-related nearsightedness. These treatments are based on the principle of removing the natural eye lens from the eye and replacing it with an artificial intraocular lens.

What are the Multifocal Intraocular Lens Types?

Monofocal lenses are lenses that allow us to see at a single viewing distance.

Bifocal lenses are lenses that help us see for near and far vision.

Multifocal lenses, that is, multifocal intraocular lenses. They are lenses that allow us to see at near, far and medium distances. The type of lenses called smart lenses are trifocal lenses, also known as multifocal.

Who Can Have Smart Lens (Intraocular Lens) Treatment?

Smart lens operation uses the same method as cataract surgery performed with the phaco method. Once the trifocal intraocular lens is placed in the eye instead of the natural eye lens, removing and replacing it again is a risky procedure and should not be performed unless necessary. At this point, various tests performed before the surgery, the suitability of the patient for the operation and the appropriate treatment for the appropriate patient are important. The purpose of using smart lenses is to ensure that the patient sees all distances in optimum quality.

If the patient has a dry eye problem, this problem should be eliminated before the surgery. People with macular degeneration are not suitable for this procedure. Those who have advanced eye pressure problems and diabetic retinopathy caused by diabetes are also not suitable for smart lenses.

The anatomical structure of the patient's eye is also a determining factor in terms of suitability for the operation. The patient's kappa angle, that is, the distance between the visual axis of the eye and the anatomical axis, is 0.4. It should be below mm. This ratio can be determined with optical biometry devices.

Patients over the age of 40 who have vision problems at distance or near or both and who have vision problems at intermediate distances are candidates for treatment. Each eye with a Smart lens will be able to see both far and near on its own.

For those younger than 35-40 years of age, if the eye number is too high to be corrected with laser, the Smart lens< /strong> treatment can be applied.

People who have had eye laser surgery before can also choose trifocal lenses if they have decreased vision due to deformation of the intraocular lenses and problems with distant or near vision.

If If the person has cataracts and wants to see both near and far without glasses, this treatment can also be applied.

Are Smart Lenses Permanent?

Yes, smart lenses are permanent. The patient's eye number is fixed with intraocular lenses. Once these lenses are placed in the eye, the patient can use these lenses for the rest of his life. In other words, there is no deformation in these lenses depending on the age of the patient. For this reason, detailed examinations of the patient and accurate determination of the eye number before treatment are of critical importance.

How is a Smart Lens Compatibility Test Done?

Smart lens operation Beforehand, various eye tests and examinations are performed according to the patient's complaints. In these examinations, it is examined whether the patient has cataracts or refractive error problems.

First of all, a general eye examination is performed, which will take approximately 30 minutes. In this examination, visual acuity test and refractive errors are measured. Afterwards, the power of the intraocular lens is determined by biometry. Methods such as SPM and USM can be used in the detection of cataract disease and in the process of suitability for surgery.

In addition, methods such as tonometry, OCT, HTR determine whether the patient has a problem in terms of eye pressure. Finally, a fundus examination is performed to detect the presence of any retinal problems. Because diseases such as glaucoma, macular degeneration and diabetic retinopathy eliminate the possibility of smart lens treatment.

At the end of all these examinations, if the patient is suitable for trifocal intraocular lens, the patient is given an appointment for surgery.

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How to Perform Smart Lens Operation?

Smart lens treatment is the process of placing a multifocal lens during surgery on patients with cataracts. Thanks to this procedure, the patient's need for glasses after surgery is eliminated. The operation can be performed in an eye hospital or an eye center.

People over the age of 40 who do not want to use glasses, have vision problems near and far, and are not suitable for laser treatment can benefit from early cataract surgery with a smart lens, even if they do not have a cataract problem yet. Vision problems at different distances can be eliminated by inserting the lens.

The method used when performing smart lens surgery is the phacoemulsification method. Each eye is subjected to a procedure that takes approximately 10 minutes on separate days. First, the eye is numbed with anesthetic eye drops. In this way, patients do not feel any pain or ache during the procedure. There is no general anesthesia, fainting or hospitalization. During the operation, multifocal intraocular lenses are inserted into the lens socket inside the eye. After the surgery, the eye is bandaged and patients can go home. The eye remains bandaged for one night and the bandage is removed from the eye the next day. The patient begins to see on the same day. Within a few days, the same procedures are applied to the other eye and the treatment is terminated.

Use of Multifocal Intraocular Lens in Cataract Surgery

Cataract surgery used single-focal or bi-focal intraocular artificial lenses in previous years. The use of trifocal intraocular lenses is becoming more common day by day. The reason for this is that clear vision can be achieved at all focal lengths with a single lens. Smart intraocular lenses offer a permanent solution for cataract treatment.

Trifocal lens application in cataract surgery is performed with the Phaco Method. The operation begins by numbing the eye with anesthetic drops.

General anesthesia is not applied except in special cases. First of all, the natural eye lens that has lost its transparency inside the eye is removed. Afterwards, the smart intraocular lens is inserted into its housing. The same procedure is applied to the other eye a few days later.

What are the things to consider after surgery?

Regular use of eye drops prescribed to patients is an important issue. Care should be taken not to sleep face down for the first week. Eyes should not be contacted with water for 5 days. Patients can return to their routine work life after 2 days. The next day, the patient's first check-up is performed by the physician. Routine checks continue after one month and after 6 months.

What are the risks of surgery?

Full sterilization is provided to prevent the eye from becoming infected with germs during the operation. In addition, the success of the operation is largely directly proportional to the quality of the lens used and the experience and knowledge of the physician performing the operation. Of course, like every surgery, smart lens surgery has various risks. However, when the most optimum conditions are provided, these risks are reduced to a minimum level and the operation can be completed successfully.

What is the Importance of Multifocal Intraocular Lens?

The most important feature of smart lenses is that they provide vision at intermediate distances. Vision is also provided at distances where vision quality is most important, such as computer usage distance, television viewing distance, and access distance to the kitchen counter.

Smart lenses (multifocal intraocular lenses), cataract treatment and are used to eliminate multifocal vision problems.

What are the Advantages of Smart Lenses?

It is an operation that helps people who have refractive problems such as myopia, astigmatism and hyperopia, as well as cataracts, to see healthily again. It is decided whether smart lenses will be placed in the patient's eyes as a result of evaluations made by ophthalmologists through various eye examinations. In addition, within the scope of this evaluation, factors such as the person's age and general health condition, in addition to the eye problem the person is experiencing, are also taken into consideration. Treatment begins after the patient accepts it. The advantages of smart lenses are as follows:

  • Patients do not feel any aches, pains or pain during the operation.
  • It is an operation that can be completed in 10 minutes on average.
  • Intraocular lenses installed as a result of the operation can be used for life.
  • There is no improvement in the eye numbers of the patients after the surgery.
  • Thanks to smart lenses, multiple focal distances can be seen without wearing glasses.
  • With the use of smart lenses in the treatment of eye diseases such as cataracts, cataracts will not occur again in patients.
  • In some refractive problems, it can be applied to patients with advanced eye numbers that cannot be corrected with laser treatment.
  • Visibility as a result of the operation. A significant increase in quality is observed.
  • As a result of intraocular lens operation, the patient does not need to be hospitalized.

Veni Vidi Göz's Smart Lens Experience

As Veni Vidi Göz, we have been working for 29 years to provide the most optimum treatment conditions for our patients and to offer the most appropriate solution for eye problems. In this journey that we have embarked on, focusing only on eye health and treatments in Turkey, we are at the service of our patients with our service network that expands day by day and 11 centers in 5 different cities of our country. We always prioritize patient-oriented service with our physician staff with various professional and academic titles. As one of the first institutions to implement smart lens surgery in Turkey, we have performed smart lens treatment on more than 120,000 patients since the day we were founded.

Smart lenses are truly permanent lenses, from the moment they are applied to patients. They are then used permanently. Before the treatment, the patient's corneal structure and corneal endothelial structure are determined in depth through diagnostic procedures such as biometry, corneal topography, pachymetry, oct, spm. Various tests are performed to determine the condition of the retinal area and it is examined whether the patient has any retinal problems.

As in all treatments we apply for eye health treatments, the important element for us in smart lens operations is to select the appropriate patient. to provide appropriate treatment.

Smart Lens Prices 2022

The prices of smart lenses, which help patients eliminate refractive errors for all distances, vary depending on their origin and quality. Apart from these factors, another factor taken into consideration when determining smart lens prices is the needs of the patient. Multifocal intraocular lens prices vary depending on the number of patients with astigmatism. Additionally, smart lens prices vary depending on the manufacturer. The entire surgery cost is taken into account when determining the costs of smart lenses, which are used in cataract surgery as well as refractive errors. As in other institutions in our country, the quality of smart lens operation in our institution is at the standards of European and other western countries. However, it is not possible for the prices to be as high as in the mentioned countries. Our eyes always deserve the most optimum treatment environment with the highest quality materials.

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Frequently Asked Questions

We have compiled many frequently asked questions about the subject for you.

Who Can Wear Smart Lens?

Smart lens can be applied to all patients over the age of 40 who do not want to wear glasses and have both distance and near vision problems. If the patient is over the age of 35 and his or her eye number is so damaged that it cannot be corrected with laser, smart lenses can be fitted. In addition, smart lenses can be applied to patients who have cataract problems at an older age.

Does the Surgery Cause Pain?

The patient's eyes are closed before the surgery. Since the patient will be anesthetized with drop anesthesia, the patient will not feel any pain during the operation.

How Long Does the Surgery Take?

Smart lens surgery It covers the procedures of anesthetizing the eye, removing the problematic natural lens in the eye and, in general, placing the smart lens. Surgery time is approximately 10 minutes for each eye. It is a surgery performed using the phacoemulsification method. It is carried out in 2 sessions. A few days after one eye is operated on, the other eye is operated on within the same period of time.

Does One Stay in the Hospital After the Surgery?

No, patients are discharged immediately after smart lens surgery.

Do I Need to Use Glasses After Smart Lens Surgery?

No. After the surgery, the eye number is fixed.

Is the onset of cataract necessary for a smart lens?

Smart lens operation is limited only to the removal of cataracts. Although it is not recommended, it can also be applied to patients who want to get rid of high prescription glasses and who are not suitable for laser treatment.

When Can I Drive After the Operation?

There may be slight blurring of vision after the operation. Driving in these conditions is definitely not recommended. However, the vehicle can be used after 3 days.

Can a Smart Lens Be Installed on a Person Having Laser Treatment?

Those who have had laser treatment before but Smart lens treatment can also be applied to patients who did not get the results they wanted. Because both treatments are applied to different parts of the eye. For this reason, having laser treatment has no effect on having smart lenses installed.

What are the differences with Laser Treatment?

While laser treatment can be applied for refractive problems such as astigmatism, myopia and hyperopia, smart lenses can be applied both for the mentioned refractive problems and for cataract treatment. While it is necessary to be 18 years old and over for laser treatment, it is recommended to be 40 years old and over for smart lens operation.

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Can I Start Seeing Immediately with Smart Lens?

After the operation, the bandaged eye is opened the next day and visual activity begins immediately. The quality of vision gradually improves within 1 month.

At What Age Can Smart Lens Be Weared?

If the person's eye disorder is at a level that cannot be treated with laser, it can be applied to patients over 35 years of age, while it can be applied to patients over the age of 35. It is recommended for patients over the age of 40 under certain conditions.

Does Smart Lens Cause Allergies? Does it show any side effects?

They are produced structurally compatible with our tissues. Therefore, they do not have any side effects and are unlikely to cause an allergic reaction.

What is a Dual Focus Lens?

A dual focus lens is used both near and far. These are lenses that eliminate vision problems at long distances.

Do Smart Lenses Change?

They can remain in the eye for life and cannot be changed unless necessary.

Can Smart Lenses Be Colored?

Smart lenses are not visible from the outside because they are not worn on the eye like contact lenses but are placed inside the eye. Therefore, it is not possible for them to be colored.

What Should Be Considered After Inserting a Lens into the Eye?

Eye drops given to patients should be used regularly. You should not sleep face down in the first week. Additionally, eyes should be prevented from contacting water for the first 5 days. Patients should not skip their routine check-ups.

Can Diabetics Use Smart Lenses?

Smart lenses cannot be applied to diabetics and patients with retinal problems.

Which Lens is Used for Cataracts?

Multifocal intraocular lenses are used for cataract patients aged 40 and over.

When Will Vision Come After Cataract Surgery? Does it become clear?

If there is no severe cataract after cataract surgery, vision becomes clear within 1-2 days. If it is a hard case of cataract, vision becomes clear after the 3rd day.

Does Cataract Surgery Cause Blind?

Like every surgical intervention, cataract surgery also has risks. has. However, under the most optimum conditions, in cataract operations performed by an experienced physician, this risk decreases to almost zero.

Can a Person Having Laser Surgery Have Cataract Surgery?

Laser surgery Having an eye does not constitute an obstacle to any eye treatment you may have in the future.

Which Lens is Used to Correct Myopia, Astigmatism, Hyperopia?

All refractive errors and cataract disease can be corrected.

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