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In all cataract surgeries, the natural eye lens is replaced with an artificial intraocular lens (IOL) to accommodate vision. Pristyn Care provides minimally invasive cataract treatment and uses the most suitable IOL, depending on the patient’s condition. Give us a call and book your consultation with our cataract doctors to learn all about IOL implants.
In all cataract surgeries, the natural eye lens is replaced with an artificial ... Read More
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An intraocular lens implant is a tiny, artificial lens that is used to replace the natural eye lens during cataract surgery. These lenses are specially made with small plastic side struts that hold the lens in the capsular bag.
More than 6 million IOLs are implanted worldwide annually. And the procedure is safe and painless. There are standard and premium IOLs available that have different functions and are used accordingly.
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Pristyn Care is one of the best places where you can undergo cataract surgery with IOL implants. We have our own clinics and partnered hospitals where the surgery can be performed safely. All our clinics and hospitals have modern infrastructure, USFDA-approved diagnostic and surgical tools, and top-grade amenities.
We also have a dedicated ophthalmology department consisting of highly experienced cataract surgeons. Our doctors have 10+ years of experience and have performed 5000+ surgeries at a success rate higher than 95%. We also provide all-inclusive care to our patients to ensure they get optimum care under all circumstances.
Intraocular lenses are primarily divided into two categories based on the placement of the lens. These are-
Monofocal cataract lens are the most traditional and common type of intraocular lens. They have a single focus point, which means they can correct vision at one distance, usually either near or far, but not both simultaneously.
Monofocal lenses are typically used to replace the natural lens in the eye during cataract surgery. They are designed to correct vision at one specific distance, often chosen to optimize distance vision. Patients who choose mono-focal lenses may still need glasses for reading or doing other tasks, depending on the focal point chosen for the lens.
Multifocal lenses are designed to provide clear vision at multiple distances, typically both near and far, by incorporating different zones on the lens surface with varying focusing powers.
Multifocal lenses are designed to provide clear vision at multiple distances, typically both near and far, by incorporating different zones on the lens surface with varying focusing powers.
Multifocal lenses are often chosen by patients who want to reduce their dependence on glasses after cataract surgery or who have presbyopia (age-related difficulty focusing on close objects). These lenses allow for clearer vision at different distances without the need for glasses. However, some patients may experience halos or glare around lights, particularly at night, as a side effect of multifocal lenses.
Toric Lens are a type of intraocular lens that also corrects astigmatism in addition to nearsightedness or farsightedness. Astigmatism is a condition where the cornea or lens has an irregular shape, causing blurred vision at all distances.
Toric lenses are primarily used for patients with astigmatism who are undergoing cataract surgery or lens replacement surgery. By correcting both astigmatism and either nearsightedness or farsightedness, toric lenses can provide clearer vision at multiple distances. These lenses need to be precisely positioned in the eye to achieve optimal astigmatism correction.
This is an alternative to a multifocal lens. There are no monovision lenses. Typically, two types of monofocal lenses are used to accommodate vision for near and far objects. But any combination of premium IOLs can be used for monovision cataract surgery.
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There is no single best answer to this question. The best IOL is chosen for the patient by the patient based on the following factors-
People with existing eye conditions, such as glaucoma, corneal disorders, age-related macular degeneration, etc., are not good candidates for multifocal lenses. Thus, the right type of lens is suggested for them by the doctor after a comprehensive eye examination.
Cost is a major factor for patients contributing to the decision-making process. Traditional IOLs are less expensive than premium IOLs, so patients are likely to choose standard IOLs. Moreover, the expense of premium IOLs is not covered by health insurance. Thus, the decision is made by the patient according to his/her own budget.
The doctors generally recommend the lens type most suitable for the patient. But the final decision is up to the patient alone.
The earliest IOLs were made with thermal plastic material, but that material led to post-surgery complications and had some restrictions too. Thus, different materials were used to manufacture the lens to make them durable, flexible, and accurately accommodate vision correction.
The most commonly used materials for IOLs are-
Once upon a time, these lenses were the standard for excellence. However, with the advancement in surgical techniques, especially micro procedures, they are not as pliable and conducive for them.
Better suited for micro incisions, advanced silicone and acrylics have become popular choices for many patients. These soft and foldable inert materials allow the surgeon to fold the lens and insert them into the lens capsule through a very small incision.
Ideally suited for microsurgeries, hydrophobic acrylic lenses are very easy to fold and have blue-light filtering feature that offers better protection to the eye against UV and other lights. Thus, the chances of other vision problems reduce significantly.
The most popular Indian and foreign brands that manufacture top-quality cataract lenses or intraocular lenses are-
The following risks and complications are associated with the usage of intraocular lens implants-
Using an intraocular lens for cataract surgery is beneficial in the following aspects- =
Dislocation of the intraocular lens is a rare complication of cataract surgery. In this complication, the lens moves out of the capsule that holds it, which disrupts the vision. It arises when the capsule that holds the lens ruptures or gets compromised.
The lens can further increase the risk of retinal detachment, bleeding, intraocular inflammation, macular edema, glaucoma, and corneal edema.
This complication can arise days or years after the surgery. The origin can be a factor related to the original surgery, trauma to the eye, or a disease that affects the lens capsule stability. Such diseases are connective tissue disorders, pseudoexfoliation syndrome, or uveitis.
If your intraocular lens is dislocated, the doctor will thoroughly examine the eye and document the severity of the problem. Depending on the extent of the problem, the most suitable approach for the treatment is chosen.
In the treatment, the vitreous gel that fills the eye cavity is removed to prevent retinal damage. The repairing of the dislocated IOL is done with one of these methods-
Monofocal Lens Advantages:
Monofocal Lens Disadvantages:
Multifocal Lens Advantages:
Multifocal Lens Disadvantages:
Toric Lens Advantages:
Toric Lens Disadvantages:
| Factors | Monofocal Lens | Multifocal Lens | Toric Lens |
| Vision correction | Corrects vision at one distance (usually distance) | Corrects vision at multiple distances (near, intermediate, distance) | Corrects astigmatism and distant vision |
| Visual outcome | Excellent distant vision | Clear vision at multiple distances, may have some compromises in quality | Clear vision at multiple distances, reduced astigmatism |
| Dependence on Glasses | Often requires glasses for near vision | Reduces dependence on glasses for most activities | Reduces dependence on glasses for distance vision and astigmatism |
| Surgical complexity | Relatively straightforward surgery | Similar to monofocal lens surgery | Requires precise alignment, more complex fitting process |
| Cost | Less expensive than the other two | More expensive than monofocal lens | More expensive than monofocal lens |
Choosing the best type of intraocular lens for you depends on various factors, including your lifestyle, visual needs, overall health, and the advice of your ophthalmologist. Here’s a step-by-step guide to help you make an informed decision:
The cost of different types of intraocular lenses varies as below-
To know the approximate cost of IOL suggested for your cataract surgery, get in touch with us.
Currently, monofocal lenses are the most commonly used intraocular lens in India. They are easily affordable for all patients.
In terms of functionality, multifocal IOLs result in better and improved near and distant vision. Thus, they offer greater spectacle independence but compared to monofocal lenses, they also have side effects like halos and glare.
An intraocular lens is likely to last a lifetime. The lens is made of such materials that do not cause problems in the eye. Lens-related complications occur only in a few cases that require lens replacement surgery.
Yes, if there is an issue with the existing IOL in the eye, it can be successfully removed and replaced with another IOL. This is usually done when there are problems with the current IOL, such as the lenses don’t provide adequate vision correction or cause double vision.
Recovery time after cataract surgery with an intraocular lens typically ranges from a few days to a few weeks, with most patients experiencing significant vision improvement within 1-2 weeks. For more details kindly refer – recovery after cataract surgery
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