Monofocal, Toric, EDoF, or Multifocal IOL: Which to Choose?

Modern cataract surgery is not only about removing the cataract — it is also an opportunity to improve vision by choosing the right intraocular lens (IOL). This article compares the main lens types to support your decision with an ophthalmologist.

Monofocal — Single Distance

The standard lens providing sharp vision at a single distance (usually far), available in clear and yellow blue-light-filtering variants. Ideal for patients comfortable using glasses for near tasks. Its strengths are excellent image quality and value.

Toric — Astigmatism Correction

For patients with astigmatism alongside cataract, a Toric lens corrects the astigmatism in the same procedure, sharpening distance vision and reducing dependence on glasses.

EDoF — Extended Depth of Focus

An EDoF lens delivers continuous vision from distance to intermediate — ideal for varied tasks such as driving and screen use — with fewer halos than multifocal lenses.

Multifocal — Multiple Distances

Designed for vision at far, intermediate, and near distances, minimizing dependence on glasses. Some users may perceive halos at night.

Conclusion

Lens selection should consider lifestyle, vision expectations, eye condition, and budget, together with your ophthalmologist’s advice. Quality materials and a square-edge design also help reduce posterior capsule opacification.

See each type of intraocular lens we distribute, certified to ISO 13485, CE and Thai FDA, or contact us for advice through any channel.