Electronic Visual Acuity System
Symbol Sets Available
Any symbol set can be selected and inserted into the EVA protocol to accommodatemodate international investigator sites.
- Sloan Letters
- British Standard Institutional Letters
- Euro-Wide Letter Set
- Landolt C Rings
- Numbers
- Tumbling E
- LEA Symbols®
- HOTV
- Configured to use e-ETDRS or AST Protocols
- Conforms to all ANSI and FDA guidelines for vision testing
- For Contrast Sensitivity testing, the symbol sets can be displayed at varying levels of contrast (2.5%, 5%, 10%, 25%)
- Monitor calibration set to ANSI, ISO specifications and FDA recommendations of 85 cd/m2 for visual acuity testing
- Utilizes an infinite number of chart randomizations
- Significantly reduces data collection expense
- CE mark for distribution to the EU
To accommodate international investigator sites, any symbol set can be selected and inserted into the EVA protocol.