What Causes Cloudiness After Cataract Surgery? | SightMD Skip to main content

What Causes Cloudy Vision After Cataract Surgery?

December 20, 2024

By: Jeffrey Martin, MD

What Causes Cloudy Vision After Cataract Surgery?

Older woman rubbing her eyes

Cataract surgery is a safe and effective way to restore vision clarity. However, some patients experience blurry or cloudy vision following the procedure. While this can be concerning, it is often a normal part of the healing process or the result of a treatable condition known as posterior capsular opacification (PCO).

What Is Posterior Capsular Opacification (PCO)?

PCO, often referred to as a “secondary cataract,” is the most common cause of cloudy vision after cataract surgery. During the procedure, the cloudy natural lens is replaced with a clear artificial intraocular lens (IOL). The back portion of the lens capsule, which holds the IOL in place, is left intact. Over time, cells may grow on the capsule, causing it to become hazy and obstructing light from passing through to the retina.

Symptoms of PCO

PCO symptoms typically develop gradually and may include:

  • Blurry or hazy vision.
  • Increased sensitivity to light or glare.
  • Difficulty reading or seeing fine details.
  • Vision that feels similar to having a cataract again.

Other Causes of Cloudy Vision After Cataract Surgery

Not all post-surgical cloudiness is due to PCO. Other potential causes include:

  • Swelling (Edema): Swelling in the cornea or retina can temporarily affect vision clarity.
  • Dry Eyes: Cataract surgery can exacerbate pre-existing dry eye syndrome, leading to blurry vision.
  • Residual Refractive Error: If the artificial lens doesn’t fully correct vision, glasses or additional treatment may be needed.
  • Retinal Detachment or Macular Edema: Rare complications of cataract surgery can also lead to vision changes and require prompt attention.

How Is Cloudy Vision After Cataract Surgery Treated?

If your cloudy vision is caused by PCO, it can be easily treated with a YAG laser capsulotomy. This quick, non-invasive procedure involves using a laser to create a small opening in the cloudy lens capsule, allowing light to pass through clearly again. Most patients notice an immediate improvement in vision following the procedure.

For other causes of cloudy vision, treatment depends on the underlying issue. Your doctor may recommend anti-inflammatory eye drops, dry eye therapy, or further evaluation to address conditions like macular edema or retinal detachment.

When to Contact Your Eye Doctor

If you notice sudden changes in your vision, experience pain, or have persistent cloudiness after cataract surgery, it is crucial to consult your ophthalmologist. Early diagnosis and treatment can help prevent complications and ensure the best possible outcome for your vision. At SightMD, our expert team is dedicated to addressing all your post-surgical concerns and providing advanced treatments, such as YAG laser capsulotomy for posterior capsule opacification (PCO).

If you’re experiencing cloudy vision following cataract surgery, we encourage you to schedule an appointment with us today to restore your visual clarity. Our board-certified ophthalmologists at SightMD have collectively performed over 25,000 cataract surgeries and are nationally recognized for their expertise in this field. By utilizing the latest technology, we strive to deliver optimal results while minimizing the risk of complications.

Our highly trained staff is committed to your vision and ensures that you are well-informed about your options and any potential considerations. We will make certain that you understand what cataract surgery can achieve, while also providing valuable information about PCO.

Sources: Eye Clinic London, Coastal Eye Surgeons, Cleveland Clinic【8】【9】【10】