The Adjust Brightness and Contrast filter
You can use the Adjust Brightness and Contrast filter to adjust the tonal range of your images through brightness and contrast. It can help correct blurry images and show fine details in tone.
To adjust brightness and contrast in an image
Select an image file.
On the Window menu, click Image Editor.
Click the Adjust Brightness & Contrast filter.
In the Adjust Brightness & Contrast dialog box, dragging sliders to the left decreases brightness and contrast; dragging them to the right increases the levels.