IOL Master optical biometry device used to measure lens power before cataract surgery

Cataract tests
and diagnosis

Measure precisely first, then operate

A cataract exam looks at the whole eye, from the cornea to the optic nerve, not only the cloudy lens. It finds other eye conditions and helps predict your vision after surgery.

Two things shape the result most: an accurate lens power measurement and a well-performed operation. Accurate measurement depends on both the device and the examiner’s experience.

The Exam

What we look for

The cataract itself

How cloudy the lens has become and how it affects your sight.

The rest of the eye

Cornea through to optic nerve, checked for any other abnormality or complicated eye disease.

Your likely outcome

Findings that help predict how well you could see after surgery.

Lens Power

Measuring with IOL Master

Dr. Kim Dong-Soo examining a patient at a slit lamp
Dr. Kim Dong-Soo checks the front of the eye, including the lens, at the slit lamp.

Lens power is measured with the IOL Master (Zeiss, Germany). It is a non-contact device, so nothing touches your eye, and it supports an accurate choice of lens power. That number feeds straight into the lens decision described in the IOL guide.

Other exam devices are used alongside it. You can see them on the equipment page.

Laser

The LENSAR laser

LENSAR is our system for laser-assisted cataract surgery. It captures the eye in 3D from 360 degrees, analyzes it, and plans an operation tailored to you.

It reads the cataract’s density

A built-in sensor scans how dense your cataract is and rebuilds it in 3D automatically. The plan follows that density, with the aim of reducing damage to the lens.

A precise circular opening

Before the main step, the front of the lens capsule must be opened (capsulotomy). Done by hand, a uniform result is hard to count on. The laser cuts it as a precise circle, which helps the artificial lens sit more stably.

Surgical Systems

Laser and ultrasound

LENSAR laser cataract surgery system.
LENSAR laser cataract surgery system.
Signature Pro ultrasound phacoemulsification system.
Signature Pro ultrasound phacoemulsification system.
ELLIPS FX handpiece used with Signature Pro.
ELLIPS FX handpiece used with Signature Pro.
Ultrasound

Signature Pro phaco

Signature Pro is an ultrasound cataract system with a dual pump, so the surgeon can change technique to suit your cataract. It uses artificial intelligence to keep the front chamber stable and control eye pressure during surgery, protecting the optic nerve and retina.

ELLIPS FX

Uses less total energy, meaning less impact on the eye, less corneal swelling and quicker visual recovery.

FUSION dual pump

Lets the surgeon switch method by cataract severity or pattern. Fast, accurate fluid control adds safety and shortens operating time.

Auto detection

Helps the lens be removed steadily.

WhiteStar micro pulse

Keeps heat damage at the incision to a minimum.

Advanced cataracts

Cataracts that were once difficult to operate on can now be approached with this improved equipment.

Choosing

Which system you get

There is no single default. Your surgeon picks the equipment that fits your eye, based on the findings of your exam.

Already noticing changes? Compare them with presbyopia and cataract symptoms. To see what recovery involves, read the before-and-after guide, or contact us to book an exam.

FAQ

About the exam

What does a cataract exam include?

The cataract, plus the eye from cornea to optic nerve, to find other eye diseases and to predict your vision after surgery.

How is lens power measured?

With the IOL Master (Zeiss, Germany), a non-contact device. Accurate lens power measurement is one of the most important factors in your result.

What does the LENSAR laser do?

It scans the eye in 3D, gauges cataract density with its own sensor and plans a tailored operation. During capsulotomy it cuts the front capsule as a precise circle.

What sets Signature Pro apart?

Its dual pump lets the surgeon adapt the method to each cataract, and ELLIPS FX uses less energy, which means less corneal swelling and quicker visual recovery.

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