Notations for vision testing at 3 meters (10 ft.)
Proportional spacing
Acuity range 30M to 1.2M (20/200, 6/60 to 20/8, 6/2.4 equiv.
Two small groups 7.5M to 1.2M for repetitive testing (20/50, 6/15 to 20/8, 6/2.4 equiv.)
Measures 62 X 65 cm (24.5 X 25.5 in.)
Fits ETDRS Illuminator Cabinet CAT. NO. 2425
Eye chart can be wall-mounted
Includes response key (Cat.No. 2517 and 2518)
Patti Pics visual acuity test uses five separate but distinct symbols for pediatric testing. With the use of the response key, testing acuity is easier and more reliable. Also, vision chart includes two smaller groups of optotypes for repetitive testing. These smaller groups also help to reduce memorization and increase reliability and accuracy.
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