When the normal lens of the eye is removed, such as in the case of cataract surgery, an intraocular lens (IOL) is placed inside the eye to serve as a replacement. Refractive lens exchange, a procedure used to correct eyesight, also makes use of IOLs.

Because there was no implantable technology to restore the focusing power of the natural lens, people who had cataracts removed previously needed very thick glasses or special contact lenses to see properly following surgery.

Related: The Dos and Don’ts After Cataract Surgery

There are currently several different high-quality IOLs on the market. Several aspects, including your capital and your individual visual demands, should be taken into consideration when deciding which intraocular lens is ideal for you.

This article provides a synopsis of the premium IOLs authorised for use by cataract doctors. These intraocular lenses are more expensive than standard single vision IOLs (which are often covered by health insurance plans like Medicare) due to their more sophisticated features.

Your cataract surgeon will be able to advise you on the optimal intraocular lens (IOL) for your needs and the additional expenses associated with cataract surgery if you decide to go with one of the following premium lens implants during your preoperative exam and consultation.

Spherical intraocular lenses

As its name implies, spherical intraocular lenses have a front surface that is evenly curved from the lens’s centre to its perimeter. While spherical IOLs are simple to produce, they don’t accurately replicate the curvature of the eye’s natural lens, which changes shape from the centre out. What this means is that the human eye’s natural lens has an aspheric shape (“not spherical”).

For what reason is its importance?

Higher-order aberrations (HOAs) are optical flaws that can be caused by a spherical intraocular lens and negatively impact visual acuity, especially in low-light situations like nighttime driving.

However, premium aspheric IOLs can give clearer vision, particularly in low light and for those with big pupils, since they more nearly mimic the shape and optical quality of the eye’s natural lens.

Allowing for Intraocular Lenses

Traditional spherical IOLs are monofocal, meaning they are optimised for clear vision at a single focal point (usually far away for good driving vision, for example). Traditional IOLs need the use of corrective lenses, such as reading glasses or contact lenses, for up-close activities like as typing, reading, and using a computer.

Premium accommodating IOLs include an aspheric design and bendable “haptics” (the legs that keep the IOL in place within the eye), allowing for a wider field of view.

To improve near vision beyond what is possible with a standard monofocal lens, an accommodating IOL is equipped with flexible legs that allow it to shift forwards slightly as you stare at near objects.

Multifocal IOLs may offer better magnification for near vision than accommodating IOLs. However, these premium IOLs provide very good distant vision, similar to that provided by a monofocal IOL, and many individuals discover they don’t require reading glasses or computer glasses following cataract surgery.

Multifocal intraocular lenses

As another kind of presbyopia-correcting IOL, multifocal IOLs can help you reduce your reliance on reading glasses and computer lenses following cataract surgery.

These high-end IOLs, include zoned magnification that allows you to see clearly at a variety of distances without the need of corrective lenses. Multifocal IOLs have been proven in some research to improve close vision more so than accommodating IOLs, albeit at the expense of glare and maybe some minor distance blur.

During the preoperative examination and meeting with your cataract surgeon, you will find out if you are a suitable candidate for multifocal IOLs.

Due to the need of exact alignment of these lenses to provide you the greatest visual outcome at all distances, laser cataract surgery is typically suggested if you are interested in multifocal IOLs.

Intraocular Lenses with a Toric Diameter

Toric IOLs are high-quality intraocular lenses that can treat both myopia and hyperopia.

Toric IOLs, like toric soft contact lenses, are able to correct astigmatism because their strength varies over the lens’s meridians. In addition, alignment markers on the lens’s periphery help the surgeon place the IOL at the eye in the best position to correct astigmatism.

Surgeons label the cornea with temporary marks just before operating on cataracts so they can find the eye’s most curved meridian. A toric intraocular lens is rotated by the surgeon during a cataract treatment to match the corneal markings for optimal astigmatism correction.

To correct astigmatism before or after cataract surgery, cataract doctors formerly had to conduct a technique called limbal relaxing incisions (LRI).

LRI involves making two tiny cuts in the cornea, one at each end, just at where the cornea meets the white sclera. As the cornea heals from these cuts, its form gradually becomes more spherical, and the patient’s astigmatism improves or disappears.

After cataract surgery, limbal relaxing incisions may be necessary in certain patients with astigmatism, even when a toric IOL is employed. However, in such circumstances, the residual astigmatism following implantation of a toric IOL is often much smaller, increasing the likelihood of a positive LRI result.

The chance of having further surgery, such as LASIK or PRK to address residual astigmatism following cataract surgery, is reduced with the use of toric IOLs.

Monovision

Monovision can help with presbyopia instead of accommodating or multifocal IOLs.

A “monovision IOL” does not exist. The term “monovision” refers to the practise of having only one eye with its refractive defect corrected, while the other eye is made slightly nearsighted on purpose.

While the perfectly corrected eye can see far away very well (but still needs glasses for close-up vision), the nearsighted eye can see everything up close with ease (but not so clearly far away).

Though the concept of monovision seem strange at first, it has been effectively implemented for many years by means of contact lenses. It is also being utilised in conjunction with cataract surgery to lessen the need for corrective lenses following surgery, such as for reading and computer use.

In monovision cataract surgery, any two premium IOLs can be utilised.

The phrase “modified monovision” is commonly applied when accommodating or multifocal IOLs are used for monovision, as these lenses provide an increased range of vision in addition to a specified monovision effect.

For the finest possible vision following cataract surgery, it may be necessary to use two distinct quality IOLs in each eye.

Astigmatism can sometimes be more severe in one eye than the other. A toric intraocular lens (IOL) may be recommended by your cataract surgeon for this eye, and an accommodating IOL for the other eye to help with computer vision.

A second possibility is that your cataract surgeon will suggest a certain brand of multifocal lens for one eye and a different brand for the other. This is due to the fact that one brand may be better suited for computer use, while the other may be better suited for close-up work such as reading.

During the pre-op examination and consultation with your cataract surgeon, he or she will assess your individual needs and assist you select the optimal mix of premium IOLs for a positive visual outcome.

Premium IOL price

Premium IOLs are more expensive than standard IOLs due to the additional functions they offer over standard monofocal IOLs. Unfortunately, health insurance providers do not often cover the cost of such ancillary services. So, if you choose a premium IOL during your cataract surgery, you will have higher additional costs.

Cataract surgery and the standard monofocal IOL are often covered by Medicare and private health insurance, depending on their policy. Any premium IOL, such as the ones mentioned above, will normally cost more than a standard monofocal IOL, so you should be prepared to pay the difference. 

Before having cataract surgery done, it is important to read over your insurance policy carefully to ensure you are aware of all of the costs involved and the extent to which they will be covered.

Also, before agreeing to cataract surgery, make sure you ask the business office of your eye doctor a lot of questions about the costs involved.

What you need to know after a Cataract Removal: Cataracts, a health condition that occurs when there is clouding of the eye’s lens. It is one of the leading causes of impaired vision. Fortunately, cataract surgery is routinely performed and causes little discomfort to the patient. Having your clouded natural lens surgically removed and replaced with an artificial one can let you to see well again without worrying about cataracts coming back.

Cataract surgery will give you the clear vision you’ve been hoping for, and will put you on the path to a much better quality of life. You should still take note of the postoperative suggestions offered to you by your doctor and give yourself plenty of time to recuperate. Following cataract removal, here are some considerations to keep in mind.

When Should You Start Working Again After Cataract Surgery?

The recuperation period for cataract eye surgery is short in contrast to other major eye procedures. While everyone heals differently, many people see a significant improvement in their vision within the first day. You should take at least a few days off to recover properly, preferably between one to three days, but you should feel up to doing your regular activities again in a day or two. After having your eyes operated on, you can go back to doing normal things like reading, watching TV, writing, and walking as soon as you feel up to it. Click here to get how long does cataract surgery remain effective?

But the healing process must run its course, and in the initial weeks after the surgery, your eyesight may vary somehow before finally settling. After about a month, your eye should have totally healed after the surgery, however it is preferable to let your doctor make the final call. There cannot be a general opinion on this, as individual case may vary, hence, your doctor with the understanding of your state of health can help you determine when you’re totally healed after the surgery. But the decision is also made with you visiting the clinic for post-surgery checkup. If you stay away after the surgery, there is no way the doctor will know how you’re feeling and how to help you.

In the first two weeks following surgery, there are a few things you may do to speed up the healing process:

• Don’t put on any eye makeup, and maybe even skip the face lotion.
• Do not go behind the wheel until the day after your procedure.
• Do not swim or use a hot tub if you want to avoid getting an illness.
• Neither should you engage in any hard physical activity or heavy lifting.
• If you’ve recently had eye surgery, try not to touch your eye(s).
• Avoid environments with high amounts of dust, wind, pollen, and dirt to protect your eyes from irritation.
• Sunglasses should be used on sunny days. After cataract removal, this may be necessary for up to a year.

Mild corneal edoema or inflammation, which can cause cloudy, wavy, or distorted vision in the days following surgery, is common. You’ll be given antibiotic eye drops to help fight infections and decrease inflammation. Even if you don’t have any problems and your eyes seem OK, you should keep using the eye drops as directed by your doctor for as long as they say you should use it.

What Protection Would I Use for my Eyes After Cataract Surgery?

After having cataract surgery, you will be given an eye shield to wear whenever you are sleeping (including naps) for at least a week. As your eye heals, this will help you refrain from scratching it and perhaps reinjuring it. This technique should not necessitate any major adjustments to your normal sleep schedule, except from the use of the eye covering. The healing process of the eye is aided by not putting any pressure on it, therefore side sleepers may find it more pleasant to sleep on the non-operative side. Talk to your doctor about possible treatments if eye pain or discomfort is keeping you up at night.

After having cataract surgery, how do you clean your face?

Keep up with your regular cleaning routine; but, for at least a week after surgery, protect your eye from water. After the day following surgery, you can continue cleaning your face, but you should avoid touching your eye. Instead of rinsing your face off with a quick splash, you should take your time and use a washcloth or a wipe. In spite of the fact that your surgical wounds should shut and heal within a few days, you still need to take extra precautions to avoid getting water in your eye. Keep your eyes closed whenever you wash your face, and never massage your recovering eye.

After cataract removal, it’s important to avoid certain foods.

As your eye heals following your cataract surgery, try to focus on keeping a diet that is favourable to your general health, including fiber-rich whole foods, leafy green vegetables, and lean protein. Foods that are heavy in sugars or refined carbohydrates are among those that are linked to poor eye health and should be avoided (such as bread, pastas, chips, cereals, etc.). These meals can cause an increase in blood sugar, which can damage ocular blood vessels and lengthen the time it takes to recover from surgery. This can be accomplished simply by reducing or eliminating intake of processed and other “junk” foods.

Conclusion

You should do everything in your power to ensure a speedy and successful recovery following cataract surgery for your affected eye. There is a lot to think about, but if you follow your post-operative instructions, rest your eye, and keep it safe from dust and other debris, you’ll have a healthy eye and great vision in no time.

Please contact us for a no-cost consultation if you or a loved one are thinking about undergoing cataract surgery.