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Worth 4 Dot Inspection

Worth 4 Dot Inspection

June 12, 2024

Worth 4 Dot

Remote inspection

Steps:

(1) The diopter is normal or wear the universal trial frame with corresponding diopter lens inserted to complete diopter correction.

(2) Wear red-and-green glasses and turn on the projector to show the Worth 4 dot chart.Ask the examinee to look at the vision chart. 

(3) Identify and record results.

 

Close inspection

Steps:

(1)The diopter is normal or wear the universal trial frame with corresponding diopter lens inserted to complete diopter correction.

(2) Wear red-and-green glasses and turn on the worth 4 dot flash light  at a distance of 40 from eyes.Ask the examinee to look at it.

(3) Identify and record results.



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