---
title: Can Enhancement Increase Glare or Halos?
description: "Modern excimer lasers use wavefront-optimized profiles¹. Studies show enhancement does not significantly increase glare or haloes when centration and optical zone are appropriate¹. In pseudophakic patients, corneal enhancement is often safer than IOL exchange². **References** 1. Schallhorn SC, Venter JA,…"
url: "https://bluefinvision.com/knowledge-base/topics/symptoms-signs/can-enhancement-increase-glare-or-halos/"
updated: "2026-02-23"
category: "Symptoms & Signs"
---

# Can Enhancement Increase Glare or Halos?

Modern excimer lasers use wavefront-optimized profiles¹.

Studies show enhancement does not significantly increase glare or haloes when centration and optical zone are appropriate¹.

In pseudophakic patients, corneal enhancement is often safer than IOL exchange².

**References**

1. Schallhorn SC, Venter JA, Hannan SJ, et al. Wavefront-optimized LASIK outcomes. J Cataract Refract Surg. 2015;41(2):316-322.
2. Alfonso JF, Fernández-Vega L, Baamonde MB, et al. LASIK after multifocal intraocular lens implantation. J Cataract Refract Surg. 2008;34(6):1023-1028.

**Related Topics**

- [Does an Enhancement After Laser or Lens Replacement Surgery Mean Something Went Wrong?](https://bluefinvision.com/blog/does-an-enhancement-after-laser-or-lens-replacement-surgery-mean-something-went-wrong/)
- [What Is a Laser Eye Surgery Enhancement?](https://bluefinvision.com/knowledge-base/topics/treatments-procedures/what-is-a-laser-eye-surgery-enhancement/)
- [How Common Is Enhancement After LASIK?](https://bluefinvision.com/knowledge-base/topics/treatments-procedures/how-common-is-enhancement-after-lasik/)
- [Why Are Higher Prescriptions More Likely to Require Enhancement?](https://bluefinvision.com/knowledge-base/topics/suitability/why-are-higher-prescriptions-more-likely-to-require-enhancement/)
- [Why Do Hyperopic Laser Treatments Regress More Frequently?](https://bluefinvision.com/knowledge-base/topics/eye-health/why-do-hyperopic-laser-treatments-regress-more-frequently/)
- [Why Is Residual Hyperopia After Lens Surgery Different?](https://bluefinvision.com/knowledge-base/topics/treatments-procedures/why-is-residual-hyperopia-after-lens-surgery-different/)
- [How Is LASIK Enhancement Performed?](https://bluefinvision.com/knowledge-base/topics/treatments-procedures/how-is-lasik-enhancement-performed/)
- [How Is Enhancement Performed After SMILE?](https://bluefinvision.com/knowledge-base/topics/treatments-procedures/how-is-enhancement-performed-after-smile/)
- [What Is Residual Stromal Bed and Why Does It Matter?](https://bluefinvision.com/knowledge-base/topics/eye-health/what-is-residual-stromal-bed-and-why-does-it-matter/)
- [Can Enhancement Affect Night Vision or Optical Quality?](https://bluefinvision.com/knowledge-base/topics/symptoms-signs/can-enhancement-affect-night-vision-or-optical-quality/)
- [When Should Enhancement Not Be Performed?](https://bluefinvision.com/knowledge-base/topics/suitability/when-should-enhancement-not-be-performed/)
- [How Long Should You Wait Before Laser Enhancement?](https://bluefinvision.com/knowledge-base/topics/recovery-aftercare/how-long-should-you-wait-before-laser-enhancement/)
- [What Causes Regression After Laser Eye Surgery?](https://bluefinvision.com/knowledge-base/topics/conditions-diseases/what-causes-regression-after-laser-eye-surgery/)
- [What Is Topography-Guided Enhancement?](https://bluefinvision.com/knowledge-base/topics/treatments-procedures/what-is-topography-guided-enhancement/)
- [Can Enhancement Increase Glare or Halos?](https://bluefinvision.com/knowledge-base/topics/symptoms-signs/can-enhancement-increase-glare-or-halos/)
- [Why Does Astigmatism Sometimes Remain After Laser Eye Surgery?](https://bluefinvision.com/knowledge-base/topics/symptoms-signs/why-does-astigmatism-sometimes-remain-after-laser-eye-surgery/)
- [What Is Epithelial Remodelling and Why Does It Matter?](https://bluefinvision.com/knowledge-base/topics/eye-health/what-is-epithelial-remodelling-and-why-does-it-matter/)
- [Is Enhancement Safer Than Intraocular Lens Exchange?](https://bluefinvision.com/knowledge-base/topics/treatments-procedures/is-enhancement-safer-than-intraocular-lens-exchange/)
- [What Is the Risk of Ectasia After Enhancement?](https://bluefinvision.com/knowledge-base/topics/eye-health/what-is-the-risk-of-ectasia-after-enhancement/)
- [Does Enhancement Affect Long-Term Vision Quality?](https://bluefinvision.com/knowledge-base/topics/symptoms-signs/does-enhancement-affect-long-term-vision-quality/)
- [What Does an Enhancement Cost?](https://bluefinvision.com/knowledge-base/topics/eye-health/what-does-an-enhancement-cost/)