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    Figure 3. Ask younger children to count lights on the flashlight when using the Worth 4-Dot Test.
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    Figure 4. Often a child will not allow you to approach him with an occluder, so your hand, palm, or thumb, though not preferable, will have to do.
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    Figure 5. Abnormal head posture called torticollis may indicate strabismus or some other abnormality of binocular vision or a non-ocular cause.
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    Figure 6. Occluding can sometimes be a challenge. The author recommends special occlusive glasses designed for visual acuity testing in children.
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    Figure 7. Demonstration of the “blink them in” technique for administering dilating eye drops in children.