Two smaller groups 5M to 1.6M for repetitive testing (20/25, 6/75 to 20/8, 6/24 equiv.).
Can be wall-mounted.
Horizontal design.
PV Numbers charts are a usable alternative to Tumbling E and Landolt C charts. Although patients may not be familiar with the Roman Alphabet, or speak the same language, they may be familiar with numbers. The number chart allows the patient to simply sign or gesture the correct number they see. This simplicity helps to make testing in multiple languages easier, quicker and more reliable.
Chart Notations - Munit: 10M to 1.6M
Contrast Level: High
Optotype Arrangement: Logarithmic Progression - Not ETDRS
ETDRS Format: No
MassVAT Chart: No
Optotype: PV NUMBERS
Patient Type: General/Literate, Preliterate
Utilize with a Cabinet: Yes
Utilize with which Cabinet: 914/930
Translucent Chart: Yes
Chart Size (cm): 23×35.5 cm
Cord: No
Chart Notations - 4 meter: 4/10 to 4/1.6
Chart Notations - 13 foot: 13/33 to 13/5.2
Chart Notations - 6 meter: 6/15 to 6/2.4
Chart Notations - Decimal: .40 to 2.50
Chart Notations - LogMAR: .4 to -0.4
Chart Size (Inches): 9×14 in
Chart Distance: 4m / 13ft
Can be wall-mounted.
Horizontal design.
PV Numbers charts are a usable alternative to Tumbling E and Landolt C charts. Although patients may not be familiar with the Roman Alphabet, or speak the same language, they may be familiar with numbers. The number chart allows the patient to simply sign or gesture the correct number they see. This simplicity helps to make testing in multiple languages easier, quicker and more reliable.
Chart Notations - Munit: 10M to 1.6M
Contrast Level: High
Optotype Arrangement: Logarithmic Progression - Not ETDRS
ETDRS Format: No
MassVAT Chart: No
Optotype: PV NUMBERS
Patient Type: General/Literate, Preliterate
Utilize with a Cabinet: Yes
Utilize with which Cabinet: 914/930
Translucent Chart: Yes
Chart Size (cm): 23×35.5 cm
Cord: No
Chart Notations - 4 meter: 4/10 to 4/1.6
Chart Notations - 13 foot: 13/33 to 13/5.2
Chart Notations - 6 meter: 6/15 to 6/2.4
Chart Notations - Decimal: .40 to 2.50
Chart Notations - LogMAR: .4 to -0.4
Chart Size (Inches): 9×14 in
Chart Distance: 4m / 13ft