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

Includes 6 beams for a full diagnostic capability and a cobalt blue filter, for use with flourescein dye to examine corneal injury and ulceration. Also has a red free filter.

Apertures include wide, intermediate and narrow beams, and a slit beam to determine corneal integrity, anterior chamber depth and retinal elevations.

Soft integral brow rest for spectacle wearers.

Available as 2.8V or rechargeable 3.6V.