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Choosing an Artificial Lens for Cataract Surgery

Views:399     Author:Site Editor     Publish Time: 2020-10-30      Origin:Site

In cataract surgery, the cloudy lens needs to be removed with ophthalmic forceps at first, and then an intraocular lens will be implanted. Therefore, an intraocular lens of suitable power and good quality plays a decisive role in the postoperative effect. When faced with a wide variety of artificial, how should patients choose intraocular lens? Hard intraocular lens or soft intraocular lens?

 

 

Tools for Cataract Surgery

 

Usually the tools for cataract surgery include: corneal scissors, membranous cataract scissors, chopper, intraocular lens positioning hook, intraocular lens implant tweezers, capsulorhexis tweezers, micro tweezers, iris restorers, micro needle holders, eyelid retractors, flushing needle, cautery, corneal puncture knife, tunnel knife, etc.

 

 

What Lenses Are Commonly Used In Cataract Surgery?

 


Ordinary Rigid Intraocular Lens


With stable performance and low price, the incision is relatively large, and the postoperative response is heavier, so the recovery time is long, and the corneal astigmatism is large. Therefore, it is not suitable for specific patients.

 

 

Folding Intraocular Lens


Injury from operation is smaller and postoperative reaction is less. The astigmatism is less with quick recovery, and the position in the eye is stable which contributes to the low recurrence rate of cataract. What’s more, it is UV resistant. So it is suitable for most patients.

 

Monofocus Intraocular Lens


There is only one focus. If you want to look far away (scenery, play, walking, etc.) clearly, you need to wear reading glasses when you look near (reading books, writing, needlework, etc.); Otherwise, you will see near clearly, and you must wear myopia when looking far away.

 

Bifocal Intraocular Lens


There are two focal points, so far and near focal points can be seen clearly. The visual effect of medium distance (computer, TV, entertainment, etc.) will be worse.


Stainless Steel Belle Scissors

 

Trifocal Intraocular Lens

There are three focal points: far, near and medium distance. In theory, seeing far, close and medium distance can be clear. So it can meet the needs of patients for far, medium and near vision at the same time, which is good for correcting presbyopia after replacing cataract lens. Most patients do not need to wear reading glasses after implantation, which is enough to meet the needs of daily life. It is suitable for patients who do not want to wear glasses after operation.

 

Continuous Visual Range Intraocular Lens


It will simulate the continuous zoom of the human eye, and provide continuous vision, so it can obtain clear vision within a certain distance, moreover it can reduce optical interference, and correct chromatic aberration.

 

Blue Light Filter Intraocular Lens


It can filter the harmful ultraviolet and blue light to the eyes and protect the retina.

 

Correct Astigmatism Intraocular Lens


It filter out blue light; protect the fundus; correct corneal astigmatism; and improve postoperative visual quality. Suitable for patients with large corneal astigmatism.

 

Aspheric Intraocular Lens


It filters out blue light, protects the fundus with a small incision. Aspheric intraocular lens corrects spherical aberration, and can improve night vision and visual quality. Suitable for all patients, especially for patients with high myopia.

 

How to Choose the Right Artificial Lens?

 

In general, each specially designed intraocular lens has its own uniqueness, which is to provide patients with better postoperative vision. When choosing, you can consider according to your actual situation. Don't blindly think that the more expensive the intraocular lens, the better it is. You can communicate with your doctor before the operation, and take the doctor's advice as reference, I believe that every patient can choose an intraocular lens suitable for their own conditions.

 

Besides the eye equipment listed above, there are other common used medical instruments in cataract surgery, such as, intraocular scissors, utility eye scissors, ophthalmic forceps, eye tissue forceps, titanium needle holder and etc. If you need such eye surgical instruments, please feel free to contact us and get more information.


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