The entire Gulden occluder family is molded from strong, lightweight ABS plastic, with an easy cleaning gloss finish. The short occluder fits easily in your pocket. Occluders are used to cover one eye during testing or treatment. Occluders are cupped to a 70mm radius. This Red lens is 12cm long.
Check out Gulden's entire occluder line by navigating to "Products" → "Occluders"