Standardized Visual Acuity and Contrast Testing The Good-Lite ESC2000™ Illuminated ETDRS Clinical Trial Cabinet provides consistent LED retro-illumination for high- and low-contrast logMAR visual acuity testing in clinical eye care, vision research, and clinical trials. When used with compatible charts, the cabinet supports best-corrected visual acuity (BCVA) assessment and low-contrast visual acuity (LCVA) testing. It accommodates compatible ETDRS, LEA SYMBOLS®, LEA NUMBERS®, Landolt C, Tumbling E, and other visual acuity charts. LED Illumination Energy-efficient LED technology provides consistent luminance without the warm-up, burn-in, or routine bulb replacement associated with fluorescent cabinets. The slim 3-inch cabinet depth offers a space-efficient solution for clinical environments. Available Models ESC2000-FIX-160 (SKU ESC2000-01): Fixed luminance of 160 cd/m². ESC2000-ADJ-BB (SKU ESC2000-02): Three preset luminance levels: 3, 85, and 160 cd/m². ESC2000-ADJ-A9 (SKU ESC2000-03): Nine preset luminance levels: 3, 20, 40, 85, 160, 300, 400, 640, and 800 cd/m². Select the model that matches your testing requirements. Charts are sold separately. Key Features BCVA and LCVA Applications: Supports high- and low-contrast visual acuity testing with compatible charts. Chart Compatibility: Accommodates compatible ETDRS, LEA SYMBOLS®, LEA NUMBERS®, Landolt C, and Tumbling E charts. Remote-Controlled Operation: Provides convenient control during testing. Low-Maintenance LED System: Requires no lamp warm-up, burn-in, or routine fluorescent bulb replacement. Slim Cabinet Design: A 3-inch depth helps conserve space. Universal Power Supply: Supports 100–240 V input for international use. Integrated Chart Storage: Keeps compatible visual acuity charts readily accessible. For clinical trials and research requiring automatic calibration, Good-Lite also offers the ESV3000™ ETDRS Clinical Trial Standardized Viewer.