A refractive error in which light focuses in front of the retina due to an elongated axial length or excessive corneal/lens power. Distance vision appears blurred.



Trusted expertise to safely care for your eye health.

'Presbyopia' is an age-related condition
of 'difficulty focusing between near and far.'
It usually starts after age 40, with blurred near vision
and slower focal transitions.
A refractive error in which light focuses in front of the retina due to an elongated axial length or excessive corneal/lens power. Distance vision appears blurred.


A refractive error caused by uneven corneal or lens curvature. Light focuses at multiple points instead of one, producing blurred or doubled images.




After the clouded crystalline lens is removed during cataract surgery, a biocompatible lens is permanently implanted in the capsular bag. Monofocal, extended-depth-of-focus (EDOF), and trifocal lenses are available, and the optimal choice is determined by precise biometry and the patient's lifestyle.
* Final IOL selection follows comprehensive biometry and consultation with our specialists; outcomes may vary by individual.


Gemetric + PureSee


Gemetric + Odyssey


PureSee + Odyssey


Gemetric + ELANA
※ What is Mix-and-Match? A presbyopia correction strategy that combines different IOLs in each eye to broaden the binocular range of vision.
Focus for one distance

Smartphone
~40 cm
Monitor
60–80 cm
Signage
2 m +

EDOF IOL

Smartphone
~40 cm
Monitor
60–80 cm
Signage
2 m +

EDOF IOL

Smartphone
~40 cm
Monitor
60–80 cm
Signage
2 m +

EDOF IOL

Smartphone
~40 cm
Monitor
60–80 cm
Signage
2 m +

Multifocal IOL

Smartphone
~40 cm
Monitor
60–80 cm
Signage
2 m +

Multifocal IOL

Smartphone
~40 cm
Monitor
60–80 cm
Signage
2 m +

Multifocal IOL

Smartphone
~40 cm
Monitor
60–80 cm
Signage
2 m +

Multifocal IOL

Smartphone
~40 cm
Monitor
60–80 cm
Signage
2 m +
*IOL selection is best decided through comprehensive biometry and consultation with our specialists.
Presbyopia progresses very gradually, so early symptoms are easy to overlook. Check any of the items below that apply to you.
If 3 or more items apply, presbyopia may already be in progress — a comprehensive exam is recommended.

Through systematic, specialist-led consultation, JC Bitsomang Eye Clinic
Rather than declaring any single IOL absolutely superior, each lens has its own characteristics. The right choice should be made based on the patient's individual condition, occupational demands, and lifestyle, supported by objective examination results — followed by thorough consultation before IOL selection.