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What are Intraocular Lens (IOL) Implants?

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Your Hoffman Estates Eye Doctor Explains

When the lens of your eye is damaged and clouded by cataracts, light cannot pass through it properly. Your vision therefore suffers, and to see clearly again you will need an artificial lens. Cataract surgery must be performed to remove the natural lens and replace it with this artificial transparent intraocular lens (IOL). Various types of IOLs are available, such as toric and multifocal. If you require cataract surgery, our Hoffman Estates eye doctor will discuss the most suitable type of lens for your vision condition.

Intraocular lenses are made from acrylic or silicone. Also, they are coated with a protective material that blocks the sun’s harmful UV rays from reaching your eyes. IOLs come in a range of focusing powers, in the same way that eyeglasses and contact lenses need a vision prescription. Your optometrist will measure the curve of your cornea and length of your eye to determine the appropriate IOL.

We believe that it is important for every patient facing cataract surgery to understand their options. Here’s a basic explanation of different intraocular lenses and how they work.

Monofocal IOLs

Most people with monofocal IOLs will also need to wear eyeglasses. That’s because it is designed to target either near or distant vision, but not both. Therefore, you can choose distance vision IOLs along with eyeglasses to help you see up-close, or the opposite – IOLs with sharp near vision with a pair of glasses for distance vision.


This system uses an IOL in one eye for near vision and a different IOL in the second eye for distance vision. Many of our Hoffman Estates patients who try this system adapt to it readily, yet it is not appropriate for everyone. Using monovision requires that each eye must work somewhat independently. This may lead to problems with depth perception.

Multifocal IOLs

This type of intraocular lens offers simultaneous correction for both near and distant vision. Your brain will adjust and learn to choose the visual information it requires to form a complete image of the objects that you see. Considered a premium lens, this type of IOL can be costlier.

Accommodating IOLs

These lenses work with the implant, moving inside the eye to help you focus on a range of distances. In general, many patients experience better vision after cataract surgery with these lenses, yet they are not ideal for near vision.

Toric IOLs

This type of monofocal IOL works to correct astigmatism. Astigmatism refers to a refractive error caused by an irregular curve in your lens or cornea. A toric lens aims to correct that refractive error. As a specialty lens, it may be more expensive than a standard monofocal IOL.

We hope this guide is helpful! After you review the options, please contact our Hoffman Estates eye care clinic to schedule a consultation to determine the most appropriate IOL for your personal situation.

Eye Allergies: What They Are and How To Treat Them

Having allergies can mean more than the sniffling and sneezing that most people associate with it. It’s Red, swollen, itchy eyes may also be a significant sign of allergies that can come whether you are sneezing uncontrollably or not.

Allergic conjunctivitis is the scientific name for this condition. It is caused, like any allergic reaction, by a mistaken triggering of your body’s immune system. Allergens cause your immune system “panic” causing it to react negatively to things which actually pose no harm to the body at all. Allergens such as pet dander, pollen and dust can trigger this reaction. This allergic reaction releases a chemical called histamine, which makes your eyes dry out and produce more tears. This reaction is meant to flush out foreign objects. The blood vessels in your eyes also become inflamed, which is what gives your eyes their bloodshot look.

Symptoms of an allergic reaction can be quite varied. You may find that your eyes are red and irritated or itchy, that your eyes are sensitive to light or that your eyelids are swollen. In more severe cases, you may even notice a painful, sore or burning feeling in your eyes or suffer from excessive tearing or a runny nose. You may also experience sneezing and stuffy nose.

Many things may cause an allergic reaction. Grass, weed and tree pollen, as well as dust and pet dander are among the best known allergens. Less well known is that it is also possible for a person to be allergic to everyday items such as makeup or perfume, and even contact lenses. Also not well know is that, while it is very common for allergic symptoms to come out immediately upon contact with the allergen, it is also possible for an allergic reaction to present itself as much as four days after original contact with an allergen.

Although allergies usually stop once the allergen is removed, and the eyes return to normal, this is not always possible with allergens such as dust and pollen, since they are just about everywhere. For these and other allergies, eye doctors recommend eye drops either over the counter or prescription. These eye drops should help to minimize the effects of the allergens in your environment. Many of these eye drops are formulated as anti-histamines, meaning that they block histamine from the body. There are also a number of other ways that these eye drops will work to relieve or prevent allergic symptoms.

Artificial tears are also an excellent option to relieve dry eye symptoms caused by allergens. These eye drops are specially formulated to imitate the tears that the allergic reaction has dried up. Artificial tears are mostly by prescription and have proven to perform better in some cases than over the counter eye drops.

Several other ways to reduce or relieve symptoms exist as well. Wearing sunglasses when stepping outside helps block pollen, dust and other outdoor allergens from getting in your eyes. Contact lenses may also irritate your eyes, so try taking those out if nothing else works. Finally, never rub your eyes while experiencing an allergic reaction. No matter how much they itch, rubbing will irritating your eyes further and make things worse.

For more information, and for help clearing up your eye allergies, contact your Sullivan Ostoich Eye Center eye doctor today.

Pink, Stinging Eyes?

Conjunctivitis, also called pink eye, is one of the most frequently seen eye diseases, especially in kids. It can be caused by viruses, bacteria or even allergies to pollen, chlorine in swimming pools, and ingredients in cosmetics, or other irritants, which touch the eyes. Some forms of conjunctivitis might be quite transmittable and quickly spread in school and at the office.

Conjunctivitis is seen when the conjunctiva, or thin transparent layer of tissue covering the white part of the eye, becomes inflamed. You can identify conjunctivitis if you notice eye redness, discharge, itching or swollen eyelids and a crusty discharge surrounding the eyes early in the day. Pink eye infections can be divided into three main types: viral, allergic and bacterial conjunctivitis.

The viral type is usually a result of a similar virus to that which produces the recognizable red, watery eyes, sore throat and runny nose of the common cold. The red, itchy, watery eyes caused by viral pink eye are likely to last from a week to two and then will clear up on their own. You may however, be able to reduce some of the discomfort by using soothing drops or compresses. Viral pink eye is transmittable until it is completely cleared up, so in the meantime maintain excellent hygiene, remove eye discharge and try to avoid using communal pillowcases or towels. If your son or daughter has viral conjunctivitis, he or she will have to be kept home from school for three days to a week until symptoms disappear.

A bacterial infection such as Staphylococcus or Streptococcus is usually treated with antibiotic eye drops or cream. One should notice an improvement within just a few days of antibiotic drops, but be sure to adhere to the full prescription dosage to prevent pink eye from recurring.

Allergic pink eye is not contagious. It is usually a result of a known allergy such as hay fever or pet allergies that sets off an allergic reaction in their eyes. First of all, to treat allergic pink eye, you should eliminate the irritant. Use cool compresses and artificial tears to relieve discomfort in mild cases. When the infection is more severe, your eye doctor might prescribe a medication such as an anti-inflammatory or antihistamine. In cases of chronic allergic pink eye, topical steroid eye drops could be used.

Pink eye should always be diagnosed by a qualified eye doctor in order to identify the type and best course of treatment. Never treat yourself! Keep in mind the sooner you begin treatment, the lower chance you have of giving pink eye to loved ones or prolonging your discomfort.


Welcome to our New Website

We invite you to take a look around our new site to get to know our practice and learn about eye and vision health. You will find a wealth of information about our optometrists, our staff and our services, as well as facts and advice about how to take care of your eyes and protect your vision.

Learn about our Practice specialties including comprehensive eye exams, contact lens fittings and the treatment of eye diseases. Our website also offers you a convenient way to find our hours, address and map, schedule an appointment online, order contact lenses or contact us to ask us any questions you have about eye care and our Practice.

Have a look around our online office and schedule a visit to meet us in person. We are here to partner with you and your family for a lifetime of healthy eyes and vision. We look forward to seeing you!