The North Dakota State Hospital is looking to purchase the following optometry equipment. Ocular LED Display – specifications must include the following: Dedicated hardware device. Selectable optotypes. Fixation targets. Video and image playbacks. Contrast sensitivity. Astigmatism and grid testing. Ocular alignment. Adjustable display. Scaling options. Phoropter – specifications must include the following: Sphere power range +16.75 to -19.00 diopters. Step .25 diopters. Cylinder power range 0.00 to ±6.00 diopters 0.00 to ±8 diopters with additional lens of ±2.0 diopters. Cylinder Axis 0 to 180°, 5° steps. Cross Cylinder ±.25 diopter, selectively synchronized with cylinder axis. Rotary Prisms 0Δ to 20Δ, 1 Δ steps...
