combination of Vertical bar and Horizontal bar - 12 prisms each (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12 dptp) - soft vinyl pouch - usable with all polarized tests such vectogram [Read more...]
portions of Bangerter foils are enclosed within an acrylic bar - it makes easy to
determine the appropriate foil for use in amblyopia and diplopia - value: 1,0 - 0,8 - 0,6 - 0,4 - 0,3 - 0,2 - 0,1 - <0,1 - the Bangerter Foil Bar is used to determine... [Read more...]
fits into the standard eyewell of the Hand-held Stereoscope 76.031.00 or any standard trial lens frame Ø38mm - each prism yields 20 PD for a total of 40PD - you can set any amount of BI, BO, or vertical prism into the stereoscope to do... [Read more...]
6D prisms Base Out - the Gracis biprism appears to be the best actual method of testing eye fixation as early as 6 months; it is the appropriate test for microstrabismus screening - the treatment of the late onset microstrabismus is more simple than... [Read more...]