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Low Vision Letter Test Chart


Item #: LV4001

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Chart contains SLOAN letters in LogMAR increments. Optotypes range in size from 50M to 5M on the main chart and from 6M to 1M on the inside chart.

When used at 1 meter, the main chart covers the entire Low Vision range from 1/1(20/1000, 0.02) to 1/5(20/100, 0.2 and extends to 1/1 (20/20, 1.0) on the inside chart.

A cord with an occluder is attached to accurately maintain the 1-meter testing distance.

The back of the card contains proportionally spaced reading segments from 4M to 0.6M in Times Roman font. From 3M on, two sets are provided to avoid memorization.

Each line contains the same number of letters and spaces.

Diopter ruler and instructions are included.

Most acuity vision charts have the patient identify single letters in a line. Continuous text chart are designed to simulate everyday reading tasks for patients by using actual sentences. These sentences are calibrated to have a specific number of letters and spaces to create an equal test.
Chart contains SLOAN letters in LogMAR increments. Optotypes range in size from 50M to 5M on the main chart and from 6M to 1M on the inside chart.

When used at 1 meter, the main chart covers the entire Low Vision range from 1/1(20/1000, 0.02) to 1/5(20/100, 0.2 and extends to 1/1 (20/20, 1.0) on the inside chart.

A cord with an occluder is attached to accurately maintain the 1-meter testing distance.

The back of the card contains proportionally spaced reading segments from 4M to 0.6M in Times Roman font. From 3M on, two sets are provided to avoid memorization.

Each line contains the same number of letters and spaces.

Diopter ruler and instructions are included.

Most acuity vision charts have the patient identify single letters in a line. Continuous text chart are designed to simulate everyday reading tasks for patients by using actual sentences. These sentences are calibrated to have a specific number of letters and spaces to create an equal test.
Language: English
Chart Size (Inches): 21.5×16 in
Cord: Yes
Chart Size (cm): 54.5×40.5 cm
Translucent Chart: No
ETDRS Format: No
MassVAT Chart: No
Optotype: SLOAN
Chart Distance: 1m / 40in
Optotype Arrangement: Logarithmic Progression - Not ETDRS
Patient Type: Low Vision
Contrast Level: High
Utilize with which Cabinet: None
Utilize with a Cabinet: No
Chart Notations - 4 meter: 4M to .6M
Chart Size Other (inches): folds 10.75×16 in
Chart Size Other (cm): folds 27.25×40.5 cm
Chart Notations - Munit: 50M to 1M

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