School Screening

Refractive Defects

Instructions (Children > 6 years)

1 Place the child at 1 meter away from the screen.
2 Make sure you have the screen brightness at maximum and without night filters active.
3 Examine each eye separately (covering one with your cupped hand or an occluder).

Medical Disclaimer This application is an indicative screening tool designed for health professionals and does not replace a complete ophthalmological or optometric examination. The results obtained on digital screens do not constitute a definitive medical diagnosis of refractive errors. If there is clinical suspicion, refer to a specialist.

Acuity (Myopia) Level 1/6

Ask the child to indicate where the "legs" of the table point.

E

Examiner Controls

Acuity recorded!

Now we will move on to the Bichromatic Test to guide us about myopia or hyperopia.

Bichromatic Test Accommodation

O C O

In what color do you see the blackest and sharpest letters?

Excellent!

Finally, we will evaluate if there is astigmatism using the hour circle.

Schedule Circle Astigmatism

Question: "Do you see all the lines equally black, or is there one that stands out as being darker or thicker than the others?"

Refractive Report

Visual Acuity (E)

0/6

Bichromatic Test

Result: Undetermined

Astigmatic Circle

Indeterminate