Lightroom 6 - blurry images

Hoping to get some help on this. It's likely a LR setting I have wrong but when I'm in the develop module working on a photo it always looks blurry and it sometimes makes editing a little difficult. After I finish the edit and export it, if I look at the finished image in Zoombrowser it is very sharp.

Any idea how to make it look the same in LR when I'm editing it?

You can specify the number of pixels that LR generates for its Preview image. Too low of a pixel count could result in apparent blurriness.

Preview images are used only in the Library and Print modules.

1. First aid for Develop module display problems - turn off GPU usage (Preferences/Performan​ce).
2. Make sure you have adequate space allocated to the Camera Raw cache
(Preferences/Performan​ce), purge cache.
3. If resizing in Export, doing output sharpening?
4. Comparison between apps should always be done at 100%, especially for sharpness/noise.

GPU was already off. But I cleared the cache as you suggested and that seems to have fixed the issue. Thanks!