Given below is an online test for visual acuity using the E Chart, a chart with the letter 'E' in different directions (up, down, right and left) and sizes. This E chart visual acuity or eye vision ...

New research has revealed a quarter of children have never had an eye test, with the uptake remaining low now for the past 15 ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...