---
title: refraction
framework: coreimage
role: symbol
role_heading: Instance Property
path: coreimage/citoruslensdistortion/refraction
---

# refraction

## Declaration

```swift
var refraction: Float { get set }
```

## See Also

### Instance Properties

- [center](coreimage/citoruslensdistortion/center.md)
- [inputImage](coreimage/citoruslensdistortion/inputimage.md)
- [radius](coreimage/citoruslensdistortion/radius.md)
- [width](coreimage/citoruslensdistortion/width.md)