---
title: eye
framework: healthkit
role: symbol
role_heading: Instance Property
path: healthkit/hkvisionprism/eye
---

# eye

A value indicating which eye the correction applies to.

## Declaration

```swift
var eye: HKVisionEye { get }
```

## See Also

### Accessing lens specification data

- [HKVisionEye](healthkit/hkvisioneye.md)
- [amount](healthkit/hkvisionprism/amount.md)
- [angle](healthkit/hkvisionprism/angle.md)
- [horizontalAmount](healthkit/hkvisionprism/horizontalamount.md)
- [horizontalBase](healthkit/hkvisionprism/horizontalbase.md)
- [verticalAmount](healthkit/hkvisionprism/verticalamount.md)
- [verticalBase](healthkit/hkvisionprism/verticalbase.md)
- [HKPrismBase](healthkit/hkprismbase.md)