ETDRS charts for Illuminator cabinet 4M ( 13 feet ), Ophthalmic Clinical Research
SKU : 2305
4 Meter Tumbling E Series ETDRS Chart 1
SKU : 2305
Tumbling E charts, also referred to as Illiterate E tests, are useful for testing patients that are illiterate or mute.
Can be wall-mounted.
Tumbling E charts, also referred to as Illiterate E tests, are useful for testing patients that are illiterate or mute. Patients simply have to sign or gesture which direction they see the E facing. Tumbling E charts are considered highly reliable and are second only to Landolt C tests. Both tests use only one optotype positioned differently and are useful for testing several types of patients.
| Brands | Precision Vision |
|---|
Dimension : 25.5 × 24.5 × 0.04 in
LogMar Values : Yes
Testing Distance : 4 Meters (13 Feet)
Optotypes : Tumbling E
Contrast : No
Material : Plastic
Front Side : Yes
Back Side : No
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Ophthalmic Clinical Research, Pelli-Robson Trans-Illuminated Contrast Sensitivity Chart
5016A Trans Illuminated Contrast Sensitivity Pelli Robson Chart SLOAN Low Vision Chart A
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ETDRS charts for Illuminator cabinet 4M ( 13 feet ), Ophthalmic Clinical Research
Original Series Sloan Letter ETDRS Chart 2
ETDRS charts for Illuminator cabinet 4M ( 13 feet ), Ophthalmic Clinical ResearchOriginal Series Sloan Letter ETDRS Chart 2
Only standardized format accepted in studies sponsored by the National Eye Institute.
Designed for use in clinical studies and low vision evaluations where accurate, repeatable visual acuity measurements are required.
SKU: 2112
