
Who is eligible for IOLs (Multifocal Lens)?
- Kudret Eye Istanbul
- Last updated:
- 5 min read
- Medically reviewed by Op. Dr. Mehmet Ali Özdil
- Patients over 40 years of age whose cornea is too thin to be corrected by laser and who have visual impairment
- Patients over 40 years of age whose prescription is too high to be corrected with laser
- Patients over 40 years of age who cannot see far or near or both clearly
- In patients with cataract problems
- Multifocal lens application is performed in patients who cannot see far and near.
What is Multifocal Lens?
One of the options faced by people looking for solutions for vision problems is multifocal lenses. In this direction, researches such as what is a multifocal lens are frequently applied. These lenses consist of lenses placed inside the eye. It is a method developed as a solution to vision problems. They are also used to ensure that people who have vision problems after cataract surgery can see more clearly. Multifocal lenses are lenses that can be customised according to visual impairment. They provide clear vision at far, near and medium distances and reduce the need to use contact lenses or glasses. Thanks to this method, people with age-related vision problems can also eliminate this problem. Multifocal lenses significantly eliminate vision problems. However, these lenses may not be suitable for everyone. In this case, different solutions should be sought. This application, also known as intraocular lens surgery, is used in conditions that impair vision, such as cataract, myopia, hyperopia, astigmatism and presbyopia. It is an alternative solution to the use of glasses and lenses. Multifocal lenses are also frequently used in the treatment of visual impairments in cataract patients over the age of 40. It makes it easier to see near, far and other distances comfortably. It is placed into the eye with a very easy operation. In addition, they can be personalised according to the needs of the person.Why are Multifocal Lenses Used?
Multifocal lenses have features that correct visual impairments and improve the quality of vision. They are used in far near vision problems and to correct vision problems of cataract patients. In this way, people start to see more comfortably. Being able to see comfortably affects many situations from daily life to work life. Sometimes vision problems can also have negative effects on the mental balance of the person. Especially people who have to use glasses and lenses but do not want to do so seek different treatment methods. Although the first method that comes to mind for this is laser eye surgery, some patients are not suitable for this surgery. Multifocal lenses are usually recommended for patients who are not suitable for laser eye. The functions of multifocal lenses include the following:- It helps to eliminate symptoms such as blurred vision, feeling strain in the eyes and headache due to hyperopia.
- It is used to correct vision problems of cataract patients.
- It provides the elimination or alleviation of age-related visual impairments.
- It reduces vision problems on a very large scale.
How are Multifocal Lenses Placed in the Eye?
Questions such as how to use multifocal lenses or how to place them in the eye are frequently encountered. Multifocal lenses can be adjusted according to the needs of the person. It is important to be examined by an ophthalmologist before this surgery. Before the surgery, some tests are performed to calculate the power (strength) of the lens to be implanted. If there is any inflammation or similar condition in the eye, these are treated first. Antibiotics and eye drops may be recommended in this process. If the patient is suitable for surgery, surgery is planned. The patient is not hospitalised after the surgery. In the operation, the lens is placed in the eye in about 15-20 minutes per eye without general anaesthesia. The eyes are usually operated on separate days, most often the next day; if the surgeon considers it suitable, both can be done on the same day. During the operation, the eye is numbed with anaesthetic eye drops and the patient does not feel anything. This procedure is a delicate procedure and is completed with highly specialised, technological devices. After the operation, the eye is bandaged appropriately. One day after this procedure, you should go to the doctor's control. This procedure, which is performed on one eye, is also performed on the other eye. There is no need to stitch the eye after the operation. Pain after the operation is usually mild. There may be discomfort in the eye, but this is normal. In case of severe pain or in other cases, a doctor should be consulted. Due to the drops and solutions used during the operation, blurred vision may occur as the pupil enlarges. After the operation, the doctor's recommendations must be followed. The drops or medicines given should be used exactly on schedule and for the full course.Is Multifocal Lens Surgery Risky?
The risks of multifocal lens surgery are among the most curious topics among patients who want to have surgery. Naturally, patients want to know the risks that may occur with this procedure. There are some risks in this surgery as well as in every surgery. It is absolutely necessary to get help from a reliable doctor and undergo surgery in specialist hospitals or clinics. The risks that may arise with multifocal lens surgery are as follows:- Although the risks during surgery are extremely low, the biggest risk is infection. The eye can get infected in low hygiene environments. Therefore, it is essential to have surgery in a hygienic environment.
- Eye bleeding or retinal oedema is another risk factor.
- The success rate of the operation depends on the experience and skill of the doctor and the quality of the lens. The doctor should act carefully to prevent damage to other parts of the eye. Therefore, it is important to work with experienced doctors.



