---
title: "Cataract surgery | Eye Health Guide"
description: "How cataract surgery works, what happens on the day, recovery, and the benefits and risks of replacing a cloudy lens. Clinically reviewed."
url: https://eyehealthguide.org/treatments/cataract-surgery/
source: Eye Health Guide
licence: "General information only. Cite the URL and the named medical reviewer."
---

Treatment

# Cataract surgery

Medical reviewer [Mr Mohamed Mohyudin](https://eyehealthguide.org/reviewers/mohamed-mohyudin/)· Last recorded site review July 6, 2026

### About this review

This page inherits the site’s previous review record. A separate, current article sign-off has not yet been recorded.

[How review works](https://eyehealthguide.org/reviewers/) · [Official biography & credentials](https://mohamedmohyudin.co.uk/author/mohamed-mohyudin/)

Quick answer

Cataract surgery is one of the most common and successful operations. It removes the eye's cloudy lens and replaces it with a clear artificial one. It is usually done while you are awake under local anaesthetic, takes around 15 minutes, and most people go home the same day with vision improving over a few days.

### On this page ⌄

1. What it is
2. What happens on the day
3. Recovery
4. Benefits and risks
5. Conditions this can help
6. Frequently asked questions

## What it is

Cataract surgery removes the natural lens of the eye once it has become cloudy (a cataract) and replaces it with a clear plastic lens called an intraocular lens. It is the only effective treatment for cataracts and is usually offered when they begin to affect your daily life.

## What happens on the day

The operation is usually done as a day case under local anaesthetic, so you are awake but the eye is numb.

- Numbing drops or an injection so you feel no pain
- A tiny cut to remove the cloudy lens, often using ultrasound
- A clear artificial lens placed inside the eye
- Usually no stitches, and the whole thing takes around 15 minutes

## Recovery

Most people notice clearer vision within a few days, though full settling can take a few weeks. You will usually use anti-inflammatory drops for a few weeks and avoid rubbing the eye, swimming, and heavy lifting for a short time.

## Benefits and risks

The benefits are usually clearer, brighter vision and less glare. Serious complications are uncommon, but as with any operation there are small risks, such as infection or inflammation, which your surgeon will discuss with you beforehand.

## Conditions this can help

## Frequently asked questions

### Is cataract surgery painful?

Anaesthetic drops or an injection numb the eye. You may notice pressure or movement, but should not feel pain during surgery. Tell the team straight away if you are uncomfortable. Mild soreness afterwards is common; increasing pain needs urgent advice.

### How long does it take to recover from cataract surgery?

Many people see more clearly within a few days, with vision settling fully over a few weeks. You will usually use eye drops and take simple precautions during this time.

### Am I awake during cataract surgery?

Usually yes. It is most often done under local anaesthetic while you are awake but the eye is numb, and the operation typically takes around 15 minutes.

Optional — donate

## Want to fund sight-restoring surgery?

Eye Health Guide does not take donations. If you want to give, World Aid Network funds cataract and other sight-restoring operations through locally licensed ophthalmologists in Pakistan, Indonesia and Malaysia.

[Donate at World Aid Network](https://worldaidnetwork.org/donate)[World Aid Network eye health](https://worldaidnetwork.org/eye-health)[Their page on this condition](https://worldaidnetwork.org/eye-health/cataracts)[Gift of Sight cataract appeal](https://worldaidnetwork.org/appeal/gift-of-sight)[How this site relates to the charity](https://eyehealthguide.org/support/)

Eye Health Guide and World Aid Network are related public-interest projects and share a medical reviewer. Donations go to World Aid Network. This website does not take a cut, and giving is never required to read a page.

## Further reading from our medical reviewer

[Mr Mohyudin’s guide to cataract surgery ↗](https://mohamedmohyudin.co.uk/treatments/cataract-surgery-huddersfield/)

These links take you to Mr Mohyudin’s UK private-practice website. Treatment availability and care pathways vary by country.

Your next step

## Take this to your appointment

Write down what has changed, when it started, your current medicines and the questions you want answered. Take these to your eye-care appointment.

Sudden loss of sight, severe eye pain or a dark curtain across vision needs immediate assessment. Do not wait to complete a worksheet.

## Sources for this information

These references support the information on this page. Follow the linked source for its full context.

- [National Eye Institute - Cataracts](https://www.nei.nih.gov/eye-health-information/eye-conditions-and-diseases/cataracts)