Good-Lite Evans Letter Contrast Test (ELCT)

by: Good Lite
Sold out


SKU GLT00554

For bulk pricing, use either the slider or the quantity below.


Enter the quantity you'd like, or click and drag the slider to find a quantity and price that's right for you.

Item is out of stock


Please note: Item is out of stock. Estimated dispatch 20 days from date of order.

Evans Letter Contrast Test (ELCT)

The Evans Letter Contrast Test (ELCT) chart is the first standardized test for letter contrast sensitivity. The ELCT chart is designed to be used with either the ESV3000 or ESC2000 providing consistent lighting for improved testing results. The ELCT chart presents Sloan Letters optotypes line size of 20/630 with a testing distance of 1m. The varying contrast in sets of 3 letters of equal contrast level. All triplets are balanced for letter difficulty and differ in contrast by 0.15 log contrast step.