The positive maywheel lens control allows you to click through lens powers from +40D to -25D allowing detailed examination of the ocular structures and ease of use for spectacle wearers.

Two diagnostic beams - a wide angle beam for general examination and a narrow beam for small pupil apertures and to highlight flare in the anterior chamber.

Also has a red free filter.

The integral soft brow rest allows for easy positioning and protects your lenses if you are a spectacle wearer.