Post-ICL Surgery Effects: Do Halos and Glares Really Appear?

Does ICL surgery cause Halos and Glares

Ever noticed a ring of light around street lamps at night or felt blinded by sudden bursts of brightness? These phenomena, known as halos and glares, have become a buzzword in the world of eye care, especially when linked to ICL surgery. And if you are considering ICL surgery and wondering, “Does ICL Surgery Cause Halos and Glares?” Well, you’re not alone. In this guide, we’ll unravel the mystery behind ICL surgery and its association with halos and glares. So let dive in and find the answer of this cocnerning question.

What are Halos and Glares?

Halos and glares are optical phenomena that most of us might have experienced at some point. But what exactly are they?

Halos: Imagine looking at a streetlight or a car’s headlights in the dark. If you see radiant rings or circles surrounding the light, you’re seeing what’s known as a halo. It’s like a luminous aura enveloping the light source. While it can lend a poetic touch to nighttime photographs, in real life, halos can be distracting, especially when driving or navigating dimly lit areas.

Glares: Have you ever squinted against sharp, bright lights in a dark environment? That intense brightness, almost like a sudden flash, is glare. Glares can make it difficult to focus on specific visual details, particularly in contrast-heavy settings like facing oncoming traffic at night.

Both halos and glares are not just optical nuisances. They can hinder vision clarity, especially during nighttime or in dark environments. When they manifest post any eye surgery, patients often get concerned, wondering if it’s a permanent side effect or just a fleeting issue.

The New ICL Models: Does It Cause Halos and Glares?

The New ICL Models-Does It Cause Halos and GlaresIntracorneal lenses (ICL) have seen significant advancements over the years, improving patient outcomes and vision clarity. One of the most notable updates in recent ICL models is the incorporation of a central hole in the lens.

The Role of the Central Hole: Historically, one of the concerns with ICL was the possibility of cataract development. This was primarily because the ICL could restrict the fluid movement within the eye. To address this, newer ICL models introduced a small central hole in the lens. This hole ensures that the natural fluid movement in the eye remains unrestricted, reducing the chances of cataract development post-surgery.

However, every solution comes with its set of challenges. As light passes through this central hole, there’s a potential for it to scatter or refract differently. This altered light passage can, in some cases, lead to visual disturbances like halos and glares.

Halos and Glares with New ICL: While the central hole is instrumental in preventing issues like cataract formation, it does pose a slight risk of causing halos and glares. The brain, however, is a remarkable organ. This means that as the brain gets used to the new optical input, the sensation of halos and glares often diminishes or even disappears altogether.

In conclusion, while the new ICL surgery with the central hole are a step forward in preventing certain complications, there’s a slight possibility of temporary halos and glares. However, for many, this is a small trade-off considering the long-term benefits and the brain’s remarkable adaptability.

Why Light Scatters: The Science Behind Halos and Glares

Why Light Scatters-The Science Behind Halos and GlaresUnderstanding halos and glares requires a basic grasp of how light works in our eyes.

Light and its interaction with our eyes are crucial for vision. But sometimes, modifications in the eye’s natural structure can change how light travels, leading to visual disturbances. Let’s understand this more simply:

  • Direct Pathway of Light: In a normal eye, light enters through the cornea, passes through the lens, and directly focuses on the retina. This direct pathway ensures clear vision.
  • Introducing Changes: When we introduce something new to the eye, like the ICL with a central hole, the pathway of light can change. The light might bend or scatter in a different manner than before.
  • Creation of Halos and Glares: This scattering or bending can cause bright circles around light sources, known as halos. Similarly, intense, shimmering lights that appear are called glares.
  • Role of the Hole in ICL: The hole in the newer ICL models, although essential for fluid movement and preventing cataract formation, can be a point where light scatters. Especially during night or in bright light conditions, the light might scatter more when it passes through this hole, leading to the perception of halos or glares.

In essence, while our eyes are beautifully designed to handle light and create clear images, any changes or interventions can alter light’s path, leading to these visual phenomena. But, as with many things, our brain and eyes often adapt and adjust to these changes over time.

Preventing and Minimizing Halos and Glares Post-ICL

Experiencing halos and glares after an ICL surgery can be a bit disconcerting, but there are ways to minimize their effects and make your post-surgery life more comfortable. Let’s explore some effective strategies:

  • Use Specialized Eye Drops: Some lubricating eye drops are specifically designed to enhance the eye’s tear film. By maintaining a smooth and even surface on the eye, these drops can help reduce light scattering, thereby minimizing halos and glares.
  • Adjust Ambient Lighting: If you notice halos and glares intensifying in particular lighting conditions, make adjustments. For example, using dimmed lighting or soft yellow lights instead of harsh white ones can reduce visual disturbances, especially during the night.
  • Limit Night Driving Initially: The contrast between the dark environment and bright headlights can exaggerate halos and glares. If possible, reduce night driving for the first few weeks post-surgery or until the symptoms diminish.
  • Wear Anti-reflective Glasses: Even if you don’t have a prescription, wearing glasses with an anti-reflective coating can reduce glares from oncoming lights or screens.
  • Give It Time: For many people, the brain adapts to these visual changes over time. The disturbances often become less noticeable as your brain learns to process the new visual information more effectively.
  • Stay Protected: Wearing sunglasses that offer UV protection can help reduce glare during daytime and protect the eyes from harmful UV rays.

Remember, while halos and glares post-ICL might be a concern for some, with the right measures and a bit of patience, you can significantly improve your visual comfort. Always stay in touch with your eye care professional for tailored advice and recommendations.


Navigating the world of eye surgeries can often feel overwhelming, especially when faced with potential side effects like halos and glares. However, armed with the right information and guided by expert advice, you can make a decision that’s perfect for your vision needs. If you’re considering ICL surgery and want clarity on all its aspects, don’t hesitate. Experience the transformative power of clear vision with ICL Surgery at EyeMantra. For personalized guidance and answers to all your queries, book your free appointment with us. Your path to impeccable vision is just a call away at 9711116605.


1. How common are halos and glares after ICL surgery?

While halos and glares can occur post-ICL, advancements in lens designs and surgical techniques have reduced their prevalence. However, the exact likelihood can vary based on individual factors and the specific ICL model used.

2. How long do halos and glares last after ICL surgery?

For many, the symptoms of halos and glares reduce over a few weeks to months as the eye heals and the brain adapts. However, some might experience them longer, and the duration can be variable.

3. Can ICL surgery be reversed if I experience severe halos and glares?

Yes, one of the benefits of ICL is that it’s reversible. If someone experiences adverse effects, the implanted lens can be removed or replaced.

4. Are there any other side effects of ICL surgery?

As with any surgical procedure, there are potential risks. Aside from halos and glares, one might experience dry eyes, increased intraocular pressure, or cataract progression. It’s essential to discuss all potential risks and benefits with your ophthalmologist.


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