Contrast Sensitivity and Measuring Methods December 31, 2016 By Sushma Leave a Comment What is contrast? It is created by the difference in luminance from two adjacent surfaces. According to Michelson, [Read more…] about Contrast Sensitivity and Measuring Methods
How to construct a Visual Acuity Chart? November 10, 2016 By Sushma Leave a Comment Before constructing a Visual Acuity Chart, we need to know and decide what kind of chart we want to construct. There are different kinds of charts for visual acuity measurement. [Read more…] about How to construct a Visual Acuity Chart?