The Katena Single-use Fundus Lens is designed to provide a central 0.93x magnified view that allows observation of the macula and optic nerve head area. This lens has a custom anti-reflection coating and can be used with all lasers.
The lens is used for the observation and/or treatment of the macula and fovea and offers a field of view of 36° of the posterior pole. Additionally, the central vitreous body may be visualized through the lens.
The Fundus lens has an image magnification of 0.93x which produces a laser spot magnification of 1.08x.