This near point chart features highly calibrated Sloan optotypes. They adhere to the Snellen 5x5 grid, equal blur at threshold, and equal difficulty. Also, each optotype is recognizable. This near vision chart also feature these optotypes in an ETDRS format on each side. Each side features a different configuration of optotypes for repetitive and reliable testing. This near vision chart is great for clinical use.
- Side One features ETDRS Chart 1
- Side Two features ETDRS Chart 2
- Notations for testing at 40 cm (16 in.)
- The attached 40 cm cord helps maintain accurate testing distance
- Letter sizes from 8M to .20M and Acuity ranging from (20/400, 6/120 to 20/10, 6/3 equiv.)
- Measures 18 X 23 cm (7 X 9 in.)
- Features traditional Sloan optotypes
- Two charts help in repetitive testing and eliminates memorization