See different distances in everyday life
is needed
What distance do you often see?
Consider which distance to prioritize
Monofocal and multifocal intraocular lenses
difference in appearance
An intraocular lens that focuses on either distant, intermediate, or near objects.The image above is when a monofocal intraocular lens with intermediate focus is selected.You may need reading glasses to see your hand if you focus far away, and glasses to see far away if you focus close.In addition, monofocal intraocular lenses are covered by health insurance, and treatment costs can be reduced.
It is an intraocular lens that can focus over a wide range from far to near.The image above is when a multifocal intraocular lens that focuses from a distant TV screen to a menu at hand is selected.It is possible to go through most of life without glasses.Multifocal intraocular lenses are more expensive than monofocal intraocular lenses, as there are selective treatments for which part of the treatment cost is covered by health insurance, and lenses for which the patient pays the full cost.
monofocal intraocular lens
Monofocal intraocular lenses have a single focus distance, so you have to choose whether to focus near or far.At other distances, it will not be in focus, so you will need glasses.People with strong astigmatism need glasses to correct astigmatism when looking at distance and near vision.
Intraocular lenses have made remarkable progress, and new value-added lenses are appearing that promise better vision.At Nagoya Eye Clinic, patient satisfaction is our number one priority, and we try to use lenses with as high a performance as possible, even in the case of monofocal intraocular lenses, for which surgery costs are uniform.
- tinted intraocular lens
- In the past, intraocular lenses were colorless and transparent, but recently, pale yellow tinted lenses have become mainstream.As we age, the lens gradually becomes yellow.Therefore, the yellow tinted intraocular lens is closer to the crystalline lens, and the color looks more natural than the untinted one.
-
non-colored
Intraocular lens -
Coloring
Intraocular lens
- aspherical intraocular lens
- Aspheric intraocular lenses improve contrast sensitivity in low light.The quality of your vision will improve, especially at night.
-
conventional spherical lens -
Aspherical Lens
Evolved single focal length lens
- [Technis Ayhans]
[Vivinex Impress] - These two lenses have a wider field of vision while retaining the advantages of single-vision lenses. They are attracting attention because they can see not only far away, but also food, car navigation, and other things at a distance of about 70 cm, reducing the number of situations in which glasses are needed. The lenses that suit each individual are different, so if you are interested, please consult Nagoya Eye Clinic first.
multifocal intraocular lens
The multifocal intraocular lens is selected from the following patterns
You can choose the view according to your needs.
It can also accommodate severe myopia.
New Options
Acribatrinova Pro
-
- Wakamoto Pharmaceutical introduces it domestically
- Trifocal intraocular lens (selected medical treatment available)
- There are prescriptions suitable for patients with severe myopia
- Benefit
- ● Also suitable for severe myopia
● Weak glare and halo for safe night driving
● Low light loss and good contrast
(Easy to see even in dark places)
● Selective medical treatment allows you to receive treatment at a reduced cost
- Demerit
- ● My near vision is a little weak.
● Not suitable for those who place importance on visibility of their hands
- Suitable for
- ● Those with severe myopia who wish to undergo surgery
● People who drive a lot at night
- Not suitable for
- ● Those who prioritize near vision
Pairing makes it possible to be "far" or "close"
More clarity
Gemetic
Gemmetric Plus
-
- Optimized perspective balance
- Glare and halo reduction
- Ensuring natural vision
- Improved post-surgery satisfaction
- Optimized perspective balance
- The combination of Gemmetric, which emphasizes distance vision, and Gemmetric Plus, which enhances near vision, provides a wide field of vision.
- Glare and halo reduction
- By using the same optical design and optimizing light distribution, glare and light bleeding at night are reduced.
- Ensuring natural vision
- Each eye has its own role, providing comfortable, stress-free vision.
- Improved post-surgery satisfaction
- Reduces dependency on glasses in more situations and improves the quality of your daily life.
Gemetic
Gemmetric Plus
You can see "far", "intermediate distance" and "near"
trifocal lens
-
- Three points: "far," "middle," and "near."
in focus - Almost eliminates the need for glasses
- Three points: "far," "middle," and "near."
With conventional bifocal type multifocal lenses, glasses were required for intermediate distances (50 to 80 cm). By choosing trifocal lenses, you can reduce the frequency of wearing glasses.
-
Gemmetric Plus -
pan optics -
fine vision
- Importance of intermediate distances
-
"Intermediate distance" refers to the distance when looking at a computer screen, the hand when cooking, the price tag when shopping, or the car navigation system.
In the case of the triple focus, the "near (3 cm)" for reading or looking at a smartphone, the "far" (landscape, driving, etc.), and the "middle distance (40 to 50 cm)" are also in focus. Wider range of focus compared to double focus.
depth of focus curve
Comparison of postoperative visual acuity data
trifocal lensIntermediate vision is the best result among multifocal lensesis out.
| normal multifocal lens |
trifocal lens |
|
|---|---|---|
| distance unaided vision | 1.12 | 1.3 |
| intermediate distance vision (60 cm) |
0.87 | 1.13 |
| nearsighted naked eyesight (30 cm) |
0.63 | 0.78 |
*The maximum near vision is 1.0.
Features of trifocal lenses
-
- Gemmetric Plus
-
- ○ High quality Made in Japan
Manufactured by HOYA - ○ High intermediate and near vision
- ○ Less affected by pupil diameter
- ○ Relatively little halo and glare
- ○ High quality Made in Japan
-
- pan optics
-
- ○ High intermediate and near vision
- ○ Not affected by pupil diameter
- ○ Relatively little halo and glare
- ○ Astigmatism can be corrected
-
- fine vision
-
- ○ High intermediate and near vision
- ○ Not affected by pupil diameter
- ○ Astigmatism can be corrected
You can see "far" and "near"/
You can see "far" and "intermediate distance"
EDOF lens
(extended depth of focus lens)
-
- Intraocular lens that expands the area of focus
- Natural look from long distance to medium distance
- High quality night vision
- good contrast sensitivity
- What is an EDOF lens?
- EDOF (Expanded Depth of Field) intraocular lenses are lenses with a wide focal distance.Until now, most multifocal intraocular lenses used diffraction to divide the focal point into near and far distances, making them bifocal.However, as a result of this, a phenomenon known as a glare halo, in which a ring can be seen around the light at night, or can be seen as dazzling, was an issue. EDOF lenses have a structure that expands the focal area based on a unique theory, which reduces halo and glare and makes nighttime vision more natural.
The lenses we handle at our clinic are Symphony, Vividity, Lentis Comfort, and Miniwell.
*Symphony is an echelette diffraction type.
-
Symphony -
Vividity -
lentis
コ ン フ ォ ー ト -
mini well
- How is it different from conventional multifocal intraocular lenses?
-
The main difference is that there is less drop in visual acuity from far to near,It looks natural, especially from a long distance to an intermediate distance (about 50 to 80 cm)That's it.Recommended for people who can wear glasses when looking at their hands, such as reading.
- High satisfaction with how it looks at night!
-
Although glare and halos remain a little, they are reduced compared to other multifocal lenses, and are reported to be about the same level as monofocal intraocular lenses.According to statistics, less than 3% of patients complained of strong dissatisfaction with their vision at night, and most of those who chose EDOF lenses are satisfied.
- What is a glare halo?
- Glare is a symptom of feeling very bright at night, and halo is a symptom of seeing a blurred ring of light around the light.
Comparison image by simulation
Due to the structure of the lens, multifocal intraocular lenses may have a lower quality of vision than monofocal intraocular lenses, and more light blurring such as glare and halo may appear, but EDOF lenses are single focal lenses. It is said that the vision is similar to that of an intraocular lens.
- What kind of person is it suitable for?
-
-
Relatively frequent nighttime driving (considering glare and halos) -
I value a distance of about 70 to 50 centimeters, such as when using a computer or cooking. -
You can wear glasses when reading for long periods of time. -
have astigmatism in the cornea
(mild to moderate)
-
- Features of EDOF lenses
-
-
- Symphony
-
○ Astigmatism correction is also possible
○ You can choose colored or non-colored
○ Made in USA
-
- mini well
-
○ Astigmatism correction is also possible
○ Less glare and halo
○ Wide production range of frequency
○ Made in Italy
-
- Vividity
-
○ Astigmatism cannot be corrected
○ Less glare and halo
○ Made in USA
-
- lentis
コ ン フ ォ ー ト -
○ Good contrast sensitivity
○ Not affected by pupil diameter
○ Made in Germany
- lentis
-
Related books, media and videos
-
- All about multifocal lenses and the most powerful premium surgery: Cataract treatment taught by an amazing ophthalmologist [revised edition]
- Tomoaki Nakamura, Kayoshi Fujimoto, Yuji Kato, Seiichiro Hata, Masayuki Ouchi (co-authored)
-
Advanced multifocal intraocular lenses
PanOptics Pro appears (9 minutes 58 seconds) -
![Cataract treatment taught by an amazing ophthalmologist [revised edition] Promotional video (2 minutes 22 seconds)](https://nagoyaeyeclinic.or.jp/assets/img/cataract/book_movie02.png)
Cataract treatment taught by an amazing ophthalmologist [revised edition]
Promotional video (2 minute 22 seconds) -
"Understanding Cataracts" for those who have been diagnosed with cataracts
(6 minutes 58 seconds) -
Cataract explanation video
(11 minutes 12 seconds)
