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Understanding Cataract & its Treatment Options

time to read 5 minutes

When your vision is better, you can live a fulfilling life no matter your age.


We need vison clarity to lead a good life. Only if we have clear vision can we enjoy beautiful sunsets or a drive through a green forest or the bright colours of our grandchild’s painting, or read an interesting book! When we have clear vision, we can continue to do all the things we love throughout our life1. As we age, our vision may not be as clear as we want. We may become hesitant to do things that we have always done such as driving, cooking, or painting and we have to ask others for help. The most common cause for this reduced vision clarity after the age of 50 years is cataract2.


What is cataract?
In cataract, the natural, transparent lens of the eye becomes cloudy, and people suffer from symptoms of cataract such as double or blurred vision. Patients often fail to differentiate colours and have trouble in their night vision. Cataract also makes it difficult for people to perform their daily tasks such as reading, walking on crowded roads, driving, and doing other routine housework. Cataract patients cannot judge how far objects are from them and from each other3. This makes them three times more vulnerable to falls compared to people of the same age who do not have cataract4.


Cataract Treatment
Surgery on time is the only effective way to restore vision clarity in cataracts. Cataract surgery is a safe procedure in which the natural lens of the eye is replaced with an artificial lens known as an ‘intraocular lens (IOL). It is the most beneficial with the least complications if performed on time. As the natural lens starts to become more clouded, it also becomes denser and harder. Surgery at this stage becomes difficult and there are chances that vision may not be restored completely5.


When cataract starts in one eye, patients often miss early symptoms because the other eye works harder to maintain vision clarity for both eyes6. It is when the cataract develops in the other eye as well, that patients have trouble in their daily activities. For example, they may need a brighter light to read, they may find it difficult to drive at night or they may not be able to see the picture on TV clearly. We want to catch the cataract early and, in time to restore vision clarity. This is why people above the age of 50 years should visit their eye care specialist every year to prevent delays in the diagnosis of cataract7.

We are fortunate that today science and innovation have given us several types of IOLs to choose from, that can help us perform all the activities that we want to do regularly after cataract surgery. For example, whether we want to drive, paint, read or cook and whether we want to continue to wear glasses or not depends on the choice of the IOL. An informed conversation with the eye surgeon can help us make the right choice. We should know about different types of IOLs and ask which type of IOL will fit in with the lifestyle we want and the activities we wish to pursue. This is an important choice that you will make just once in your lifetime!

An elderly person in the background of the room
Ophthalmologist talking to the patient
Ophthalmologist talking to the patient



You have options when it comes to your intraocular lenses. Lead the conversation with your doctor to understand the cataract lens choice that’s right for you.


Ophthalmologist talking to the patient
Ophthalmologist talking to the patient



Use the Practice Locator tool to locate a surgeon near you who offers a range of cataract lens options.


Ophthalmologist talking to the patient
Ophthalmologist talking to the patient



Have you or your loved one been diagnosed with cataracts? Take this quiz to check if you know enough about cataracts and cataract surgery.


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