Smart charts for comprehensive vision tests (Opto Global, Australia)

 
Purpose

For proper assessment of vision

 
Advantages

Easy to use

LCD Monitor, so even light distribution

Contrast Sensitivity can be assessed

 
Procedure

The subject is made to sit at a distance of six meters from the chart. Trial frame is placed and one eye is occluded. The subject now is asked to read from the top line downward.

The lowest line that can be read clearly is marked. This is taken as uncorrected visual acuity.

Now the vision is recorded with pinhole placed in front of the eye to be tested and the fellow eye is occluded. This is recorded as pin-hole visual acuity