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Up for sale is a Humphrey Matrix 715 Series Visual Field Analyzer manufactured by Zeiss. An eye patch isn’t required and trial lenses are only needed beyond +/- 3 diopters. The Matrix includes enhanced optics for 30° FOV and performs dependably in ambient light so there’s no need to darken the room.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.