Dr Cordelia Chan
Dr Cordelia Chan
Senior Consultant Ophthalmologist
MBBS (S’pore), FRCS (Edinburgh), MMed (S’pore), FAMS (Ophth)
Experiencing blurry vision after cataract surgery can be worrying, especially when you expect clearer eyesight right away. While some blurriness is normal during the initial healing phase, it can also signal other issues that may need attention. Knowing the common causes can help you take the right steps toward recovery and protect your eye health in the long run.

Is Blurry Vision Normal After Cataract Surgery?

Blurry vision after cataract surgery is generally normal in the immediate hours and days following the procedure. It usually occurs because your eye is adjusting to the new artificial lens and healing from the surgery.

Most patients notice improvement in their vision within the first 48 to 72 hours, and mild blurriness often resolves in this period. Vision typically continues to improve over the next two to four weeks, with long-term clarity usually achieved by six to eight weeks after the surgery.

Common Causes of Post-Cataract Surgery Blurred VisionCataract Stages

Cataract surgery is a highly successful procedure that has helped millions of people regain clear vision. While blurry vision may occur temporarily as part of the natural healing process or due to occasional complications, it is usually manageable.

Common causes of blurred vision following surgery include:

Residual Eye Inflammation

It is common for your eye to be a bit swollen and inflamed right after surgery. This inflammation can blur your vision temporarily. Usually, this swelling lessens within days to weeks with the help of prescribed anti-inflammatory eye drops.

Dry Eye Syndrome

The surgery can disrupt the natural tear film that keeps your eyes moist. This can lead to dryness and irritation, which often causes blurry vision. Using lubricating drops can soothe your eyes and improve comfort as they heal.

Posterior Capsular Opacification (Secondary Cataract)

Sometimes, months or even years after surgery, the lens capsule can become cloudy, creating a similar foggy effect as the original cataract. This is called a secondary cataract, and thankfully, it can be easily cleared up with a quick laser treatment.

Cystoid Macular Oedema

This condition involves swelling in the central part of the retina and can develop a few weeks post-surgery. It tends to happen more in patients with diabetes or retinal vascular conditions and may cause vision distortion or blurriness. Anti-inflammatory eye drops usually help resolve this.

Incorrect or Unstable Refractive Outcome

Sometimes, your vision might not be perfectly clear after surgery due to residual refractive errors. Most of the time, these can be corrected with glasses or, in some cases, a laser procedure like LASIK to fine-tune your vision.

Retinal Detachment

Although rare, retinal detachment is a serious condition that requires urgent attention. Warning signs include sudden flashes of light, an increase in floaters or a curtain-like shadow over your vision. If you notice these symptoms, seek medical care immediately.

When To Be Concerned About Persistent Blurry Vision

While most patients see gradual vision improvement within four to six weeks after cataract surgery, you should contact your cataract surgeon immediately if you experience:

  • Sudden vision loss
  • New flashes of light
  • A sudden increase in floaters
  • Severe eye pain

These symptoms may indicate a serious condition such as retinal detachment or infection, which requires urgent treatment to prevent permanent damage.

Treatments and Solutions for Blurry Vision

If blurry vision persists after cataract surgery, there are several effective treatments and solutions tailored to the underlying cause:

Prescription Glasses or Contact Lenses

In some cases, minor refractive errors may persist after surgery. Wearing glasses or contact lenses can help fine-tune your vision for greater clarity.

YAG Laser Capsulotomy

This quick, painless outpatient laser procedure addresses secondary cataracts. The laser efficiently eliminates the cloudiness, restoring sharp, clear vision almost instantly.

Artificial Tear Supplements

Lubricating eye drops or artificial tears are commonly recommended to relieve dry eye symptoms that can cause blurred vision. These drops help keep the eyes hydrated, promoting comfort and clarity.

In rare instances where vision issues persist after cataract surgery, additional procedures like LASIK surgery or intraocular lens (IOL) exchanges can be explored to achieve optimal results.

Expert Care for Cataract Surgery Recovery

If you experience persistent blurry vision or other concerning symptoms following your cataract surgery, please contact our clinic. Ophthalmologist Dr Cordelia Chan is a highly trusted cataract and refractive surgeon in Singapore. Using advanced diagnostic technology, she carefully identifies the root cause of any post-surgery complications and creates a personalised treatment plan to support a smooth recovery. Book a consultation today to take the first step toward restoring your sight.

Our
Ophthalmologist
Dr Cordelia Chan
Senior Consultant Ophthalmologist
MBBS (S’pore), FRCS (Edinburgh), MMed (S’pore), FAMS (Ophth)
Dr Cordelia Chan

Dr Cordelia Chan is an established ophthalmologist in Singapore, with decades of experience in cornea and refractive surgery. She cares for both adults and children, offering comprehensive expertise across a wide range of eye conditions. Dr Chan began her training in 1993 and spent 21 years at the Singapore National Eye Centre (SNEC), where she was Head of the Refractive Surgery Service.

Among the first in Singapore to perform bladeless LASIK, she is recognised for her expertise and strong commitment to patient care and safety. Today, she combines advanced diagnostic technology with a personalised approach to deliver the best possible outcomes for her patients.