Choosing The Right IOL For Your Cataract Eye Surgery 

The prevalence of cataracts in Singapore’s elderly population rises sharply with age. While 63.6% of those between 60 and 64 are affected, the rate climbs to 94.6% for those 75 and older, with an overall prevalence of 78.6%. Fortunately, cataract surgery is a clinically proven highly successful procedure that can restore clear vision. A key part of this surgery involves replacing the clouded lens with an artificial lens called an intraocular lens, or IOL, to restore clear vision. IOLs are made of biocompatible materials and are designed to last a lifetime.

Choosing the right IOL is a crucial decision, as it will affect your vision for years to come. This blog article serves as a guide that will walk you through the different types of IOLs available in Singapore, the pros and cons, and important factors to consider.

Meet our Medical Director: Dr Lim Wei Kheong Jimmy

MBBS, MMed (Ophth), MRCSEd (Ophth), FRCSEd (Ophth), FAMS

Intraocular Lens (IOL) in a Nutshell

The most common type is the monofocal IOL. As the name suggests, monofocal IOLs are designed to provide clear vision at one distance, typically distance vision. This means you will likely have excellent vision for driving, watching TV, and other distance activities. However, you will likely still need glasses for near tasks like reading or computer work. Monofocal IOLs are often the most affordable option.

Another option is the multifocal IOL. These lenses are designed to provide clear vision at multiple distances — distance, intermediate, and near. Multifocal IOLs have a series of rings or zones on the lens surface that focus light at different distances. While they offer the potential for greater independence from glasses, they can sometimes cause visual disturbances like halos or glare, especially at night. Not everyone experiences these side effects, and they often diminish over time, but it’s important to know and be prepared for them.

For individuals with astigmatism, a condition where the cornea is irregularly shaped, toric IOLs are suitable. Toric IOLs correct astigmatism, providing clearer vision at a distance. They can be combined with monofocal or multifocal designs, offering a customized solution for those with both cataracts and astigmatism.

Beyond these basic categories, there are also extended depth of focus (EDOF) IOLs. These are designed to provide a greater range of clear vision than monofocal IOLs, often improving intermediate vision while maintaining good distance vision. They may reduce the need for glasses for some activities, but near vision may still require correction.

Choosing Your IOL 

Choosing the right IOL is a highly personalised decision. Several factors need to be considered, including your lifestyle, visual needs, and overall eye health

If you’re comfortable with glasses for certain tasks, a monofocal or EDOF IOL could be a better choice. Then again if you have astigmatism, a toric IOL will likely be necessary. Note too that IOLs vary in cost. Monofocal IOLs are typically the most affordable, while multifocal IOLs are more expensive. Check with your insurance provider to see what is covered.

Ultimately, the goal of cataract surgery is to restore clear vision and improve your quality of life. By understanding the different types of IOLs available and working closely with your ophthalmologist, you can choose the best option for your individual needs and enjoy the benefits of clear vision for years to come. 

Choosing An Eye Specialist in Singapore

You would need to find an experienced eye specialist with bankable experience in IOL implantation for a successful cataract surgery.
Here are some questions to ask your doctor to help you make informed decisions:

• How many cataract surgeries have you performed?
• What is your experience with different types of IOLs?
• What technology do you use for cataract surgery and IOL implantation?
• What are the potential risks of cataract surgery and IOL implantation?
• What are your recommendations for my specific needs and lifestyle?
• What is the cost of the procedure and what does it include?

Dr. Lim Wei Kheong Jimmy is the Medical Director of JL Eye Specialists. Dr Jimmy Lim has over 25 years of practice, specialising in cataract, cornea, refractive (LASIK) and general ophthalmology. Formerly Senior Consultant and Deputy Head of Cornea and Refractive Surgery at the National Healthcare Group Eye Institute @ Tan Tock Seng Hospital, Dr. Lim honed his expertise through a prestigious fellowship at Baylor College of Medicine (USA) and IROC (Switzerland). His commitment to advancing eye care is evident in his patented visual function assessment technology, numerous publications in peer-reviewed journals, and active role as a guest speaker and examiner. 

If you are looking for professional guidance on choosing the most suitable IOL for your cataract surgery, please contact us at 6258-8966 to schedule a consultation, and Dr. Lim will be glad to answer your questions.

REFERENCES:

1.) Outcome of our care
2.) Adjustable IOL after cataract surgery