Uniocular vision check is both eye one by one distanse and near

Pen touch examination,Aided vision,unaided vision, Objective refraction and subjective refraction,then duochrome test

6/9 usually snellen test

The distance central vision acuity is usually tested by snellen test type.

The patient is seated at a distance of 6m from the snellen chart.

The patient asked to read the chart with each eye separately...read more

The 6/6 size letters can be resolved at 6 metres (or 20 feet being 6 metres) normally using a Snellen eye chart in an eyesight test during the standard eye test..