---
title: Is cataract surgery suitable if only one eye is affected?
description: "Cataract surgery can be suitable when only one eye is significantly affected, especially if the difference between eyes is causing symptoms. ## Reasons to operate on a single eye Unequal vision between the eyes can be as troublesome as overall…"
url: "https://bluefinvision.com/knowledge-base/topics/suitability/is-cataract-surgery-suitable-if-only-one-eye-is-affected/"
updated: "2025-12-24"
category: Suitability
---

# Is cataract surgery suitable if only one eye is affected?

Cataract surgery can be suitable when only one eye is significantly affected, especially if the difference between eyes is causing symptoms.

## Reasons to operate on a single eye

Unequal vision between the eyes can be as troublesome as overall blur.

- Marked difference in clarity or colour between the two eyes
- Double vision, shadowing, or imbalance when both eyes are open
- Headaches or eye strain from one eye doing most of the work
- Difficulty driving or reading because the weaker eye is distracting
- Clear cataract in the symptomatic eye while the fellow eye remains good

## Things to discuss with your surgeon

The goal is to achieve comfortable binocular vision.

- Target prescription for the operated eye and how it will match the other
- Whether a temporary contact lens or glasses change will be needed
- Timing of possible surgery in the second eye if cataracts later develop
- Risks and benefits of operating now versus waiting
- How surgery might affect depth perception for driving or work