What Happens During Cataract Surgery? | NHS

Why It Matters

Understanding the step‑by‑step process and recovery timeline helps patients make informed decisions and enables the NHS to streamline cataract care, a high‑volume service that directly improves visual health and productivity.

Key Takeaways

• Cataract surgery replaces cloudy lens with permanent artificial intraocular lens.
• Procedure lasts 20‑45 minutes, performed under local anesthesia, patient awake.
• Ultrasound (phacoemulsification) fragments lens for removal through tiny corneal incision.
• Same‑day discharge common; vision blurry initially, driving postponed until cleared.
• Post‑op regimen includes eye drops for 4‑6 weeks to prevent infection.

Summary

The NHS video, presented by eye surgeon Badrul Hussain, walks viewers through what to expect when undergoing cataract surgery, the most common elective eye operation in the UK.

After an initial specialist assessment, the procedure lasts 20‑45 minutes and is performed under local anaesthetic, meaning the patient remains awake but feels no pain. A tiny corneal incision is made, the surgeon uses ultrasound‑driven phacoemulsification to break the cloudy natural lens into fragments, removes them, and inserts a permanent clear intra‑ocular lens.

Hussain emphasizes practical details: the eye is gently held open, a sterile sheet covers the face, and post‑operative care includes eye‑drop regimens for four to six weeks to promote healing and prevent infection. Vision is typically blurry for a few hours, and patients are advised not to drive themselves home.

The rapid, same‑day turnaround reduces hospital stays and costs while restoring sight, underscoring why early referral and patient education remain critical for maintaining quality of life and managing NHS resources efficiently.

Original Description

In this video, an eye surgeon from Moorfields eye hospital explains what happens during cataract surgery.

Cataract surgery is an operation to replace a cloudy lens in your eye with an artificial lens.

For more information speak to your optician or visit https://www.nhs.uk/tests-and-treatments/cataract-surgery/

Special thanks to Moorfields Eye Hospital.