Surgical cataract removal is the process of masking the patient’s own original lens and then implanting an IOL so that the patient can obtain the ideal refractive state after surgery and eventually be able to image clearly on the retina. So, how do you choose the most suitable IOL?
First of all, it should be recognized that the most expensive IOL is not the best for this particular commodity, but depends on the condition of one’s eyes, economic status and daily needs. Cataract surgery has evolved from a simple sight restoration surgery to a refractive surgery, and more patients have higher requirements for post-operative visual quality. IOLs have also developed from hard PMMA to soft folding IOLs of various materials, from spherical IOLs to aspheric IOLs, from monofocal to multifocal, and in recent years, crystals to correct astigmatism have also emerged.
[Hard crystal] is cheap and can basically meet the demand of restoring and improving vision after cataract surgery, the disadvantage is large incision and long recovery time, basically this kind of IOL is used in large-scale blindness prevention and restoration surgery, which can provide basic satisfactory visual quality for most patients.
Ordinary Folding IOL] is popular in large and medium-sized cities or economically developed areas because of the small incision and quick recovery.
Aspheric folding IOLs] significantly improve the imaging quality, especially for dark/peripheral vision at night.
High-end IOLs] usually double the price because of their special improvement in some point, such as multifocal/corrected astigmatism/corrected astigmatism with multifocal/adjustable IOLs, etc.
The first three types of IOLs mentioned above are basically suitable for all cataract patients, and therefore are the most used. With the improvement of economic level and people’s pursuit of high quality of life, the usage of high-end IOLs is also gradually increasing.
Special selection for special cases] For some special patients, the selection of IOLs also has a point of view.
For diabetic retinopathy and the possibility of further fundus surgery in the future, it is better to choose acrylate material or IOLs with heparin-treated surface for convenience; 2. For the IOL selection of the second eye, it is better to use the same type of IOL for both eyes; 3. For patients with total lens dislocation, no posterior capsule, or complicated posterior segment, anterior chamber IOLs placed in the anterior chamber can be considered Patients who cannot implant the IOL in the capsular bag due to the rupture of the capsular bag and other reasons can also use a sutured IOL.
In addition to choosing a suitable IOL, cataract surgery also requires attention to ensure surgical safety. Cataract surgery uses ultrasound emulsification technology, which requires fine microscopic operation under an optical microscope, and the process is complex. Complications such as posterior capsule rupture and crystal dislocation may occur during surgery, which will bring immeasurable harm to patients if not handled in a timely and effective manner. When choosing surgery, patients are recommended to go to large hospitals and experienced physicians, and should not be rashly operated by businessmen’s smashing propaganda. In Qingdao Eye Hospital, cataract surgery has broken through the age limit, from 100 years old to a few months old baby. In Qingdao, the eye hospital has taken the lead in introducing femtosecond laser-assisted cataract restoration technology, which is knife-free and has tiny incisions, greatly improving the safety of the surgery.
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