The Eye Clinic5 min read
Cataract surgery is one of the most common and successful operations there is. Part of it is a choice many people don't realise they get to make: which replacement lens goes in. Here's a plain-English look at the main options, so you can have a more informed conversation about what suits your eyes and your life.
First, what the operation does
A cataract is your eye's natural lens becoming cloudy, usually with age. Surgery gently removes that cloudy lens and replaces it with a clear artificial one, called an intraocular lens or IOL. That new lens is permanent, and it's where your options come in.
Standard (monofocal) lenses
A monofocal lens gives excellent, sharp vision at one distance — most people choose to set it for distance, then use reading glasses for close work. It's the most widely used option, well proven, and fully funded in many cases.
If you're comfortable wearing glasses for reading, a monofocal lens set for distance gives most people a clear, reliable result.
Lenses that reduce your need for glasses
Newer lens designs — such as multifocal and extended-depth-of-focus lenses — aim to give useful vision across more than one distance, so you may rely on glasses far less. They suit some people beautifully, but they're not right for every eye, and they can come with trade-offs like halos around lights at night.
There are also toric lenses, which correct astigmatism at the same time as the cataract, for sharper vision without as much reliance on glasses.
How to choose
The best lens depends on your eyes, your daily life and what matters most to you — driving at night, reading, screens, hobbies. Dr Leong will talk you through what's realistic for your eyes and help you weigh the options, so the decision is made together rather than handed to you.
There's no rush to decide before you've had that conversation. If you'd like to explore it, call us on 04 470 7663.