Halos and glare are common in the weeks and months after lens replacement surgery, particularly with multifocal or extended‑range implants. They usually lessen as the eye heals and the brain adapts.
Why Halos Occur
Optical changes and temporary healing effects can scatter light.
- Lens designs that split light for multiple focal points can create rings or starbursts around lights, especially at night.
- Residual refractive error, dry eye, or mild corneal swelling can add to glare.
- Most people notice gradual improvement over weeks to months as neuroadaptation occurs.
- Persistent or worsening halos may indicate a correctable issue such as refractive imbalance or capsule clouding.
Coping and When to Seek Help
Simple measures can make night vision more comfortable while you adapt.
- Use lubricating drops, keep windscreens and spectacles clean, and avoid unnecessary night driving early on.
- Anti‑glare glasses and careful lighting can help with tasks like computer work or driving.
- Discuss troublesome glare at follow‑up visits, as options such as prescription adjustment or later YAG capsulotomy may be considered if appropriate.
- Seek urgent assessment if halos are accompanied by pain, redness, or a sudden drop in vision.
