supply of miscl equipments ophthal diplopia goggles red & green goggles work with worth 4 dot and other anaglyph tests. adjustable strap. provides total coverage of visual field placido disc for detecting corneal irregularities -acrylic -with handle prism bar set - 1 horizontal and 1 vertical prism bar - acrylic prisms - crystal-clear optical finish. -with box demonstration required trial set. trial case, with reduced aperture lenses having color metal rims for quick identification 1. red & black color coded rims standard trial set of ophthalmic lenses , senllens chart with remote control , gonioscope , torch for ophthalmology , schiotz tonometer , colour vision , near vision chart