MULTIFOCAL INTRAOCULAR LENS
노화 이외에도 선천 백내장, 당뇨병, 스테로이드의 장기 복용, 장시간에 걸친 자외선 노출, 기타 안구 질환 등이 백내장의 원인이 됩니다.
백내장인 경우의 시야
노안일 경우의 시야
최근 노안 교정 수술이 많이 개발되고 있습니다. 일반적으로 백내장 수술에는 단초점 인공수정체를 삽입하게됩니다. 수술 후 가까운 것을 보기 위해서 돋보기를 사용해야 되지요. 그러나 백내장 수술과 노안교정을 같이하기 위해 백내장 수술 중 다초점 인공수정체를 삽입할 수가 있습니다. 이 방법은 안정성이 확보가 되어 있어 백내장도 치료하고 노안도 개선하기 위해 많이 시행되고 있는 방법입니다. 다초점 인공수정체는 일반적인 인공수정체와 달리 특수 설계된 굴절면이 항상 원길 초점과 가까운 초점을 동시에 제공하는 것이 특징입니다.(이중 다초점 렌즈) 특히 요즘에는 중간거리 초점까지 제공하는 삼중 다초점 렌즈도 개발되어 있습니다. 이에 따라 가까운 거리도 안경을 착용하지 않고 볼 수 있게 됩니다.
잘보는안과에서는 먼 거리와 가까운 거리 뿐만 아니라 중간거리도 고려하여 이중 다초점렌즈가 아닌 삼중 또는 사중 다초점 렌즈를 사용하고 있습니다.
타협하지 않은 독립적인 중간거리 추가
근거리, 중간거리, 원거리를 동시에
40, 50대부터 백내장, 노안이 있는 분
원치 않는 분
주고 싶지 않은 분
직업상 안경 착용이
컴퓨터를 즐기는 분
전체적으로 흐릿하게 보임
일반 백내장인 수술을 한 경우
먼거리는 잘보이나 가까운거리는 덜 보임
삼중다초점 백내장 수술을 한 경우
먼거리, 중간거리, 가까운거리 모두 잘보임
Most cataract occur due to aging. Senile cataract increases as people age; 50% have cataract in the 60s, and 70% in the 70s.
Other than aging, congenital cataract, diabetes, long-term use of steroids, prolonged exposure to UV light, and other ocular inflammatory diseases cause cataract.
Presbyopia is when it gets hard to see or read close things.
If you have cataract, both close and far distance visual acuity gets blur. For presbyopia, far distance is easier to see than close objects.
Visual field when you have cataract
Visual field when you have presbyopia
Cataract used to be considered to a disease that comes with aging. But recently, it is threatening eyes of the
people who are in 40s and 50s. It starts from 40s, and 50% of people in 60s, and 70% of those in 70s have cataract.
Senile cataract patients increased by 7.4% in the recent 7 years.
Having a difficulty to see close objects, read a book or computer due to loss of accommodation in the eye.
One must wear reading glasses to see something close.
Many correction methods for presbyopia are being developed recently. Traditionally, in a cataract surgery a mono-focal IOL is inserted. Then one must use reading glasses to be able to see close after the surgery. However, the multifocal IOL can be inserted during cataract surgery to correct the presbyopia together. This method ensures stability and is used widely to treat cataract and presbyopia at the same time. The multifocal IOL is different from typical IOL in that the specially designed refractive interface provides far and near focus simultaneously (Bifocal lens)Recently in particular, trifocal lenses that provide mid-distance focus as well, have been developed. Therefore, you can see close distance without wearing glasses.
At Daegu Premier Eye Center, we use trifocal or multifocal lens, other than bifocal lens, to provide mid-distance focus as well as long distance and close distance focus.
Now add mid-distance focus to close-distance and long-distance focus, for your perfect eyesight
People in their 40s and 50s who have cataract and presbyopia
People who do not want to use reading glasses
People who use smart phones
for a long time
People who are very active
in social activities
People who cannot wear glasses due to work environment
People active in hobbies, and enjoy reading and computer activities
Many people who do not have medical problems are interested in the procedure to not wear glasses or contact lenses. However, it is not recommended in principle to have multifocal IOL surgery in a patient who does not have significant cataract.
Yes, it is possible. It is possible when a single focal IOL has already been inserted by cataract surgery, or you don’t have cataract on the other eye. When a multifocal IOL is inserted in only one eye, vision for close distance is better compared to having single focal IOLs in both eyes. However, ability to see close distance is less than having multifocal IOLs in both eyes. Also, it can take longer time to adjust to having it.
Many types of multifocal IOL have been developed until now but this does not mean you will never have to wear glasses. There may be cases when the printed letters or images are too small or too far that you need glasses to see. Particularly, it can differ depending on printing quality, size of the pupil, and amount of light coming in.
Yes, it can be removed. But complication risk also increases from going through an additional surgery. Therefore, if you have difficulty with night halo or lens maladjustment due to ghost images after the surgery, it can be done after sufficient consultation with the assigned doctor.
The brain- intraocular lens maladaptation is the limit the multifocal IOL has yet, but the seeing ghost images usually gets better as time passes, so enough time should be given before removing the multifocal IOL.
Many problems have been improved from modern technology. However, still there are some side effects like glare, night halo, ghost image and intraocular lens dysphotopsia, requiring wearing glasses sometimes.
Therefore, the surgery should be chosen considering the patient’s occupation and personal characteristics.
We have many types of multifocal IOLs and other IOLs. We recommend the most suitable IOL for the patients with consideration to lifestyle, disposition and economic situation
To perform premium cataract surgery, experienced cataract surgical skill is required to respond to various situations that may occur.
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-전신마취인 경우에만 수술 전날 밤 10시부터
사업자등록번호 : 158-93-00238 ｜ 대표자 : 문홍재 / 이정호 / 이태윤 / 김진선
Suseong-ro 197, Suseong-gu, Daegu (Jung-dong 359-5) the opposite side of Hyosung Medical Center (south-100m)
TEL : 053-766-4455, 053-766-2200 ｜ FAX : 053-764-5900