Testing vision of a 23 months old child

Testing of vision as early as possible is often important if there are worries about any delays of normal development or unequal refractive errors as in this toddler (anisometropia).   Several detailed tests are possible at the age of two years if testing is administered as a play situation.

1. 3D-puzzle
2. Matching puzzle pieces to pictures
3. Matching puzzle pieces to Domino Cards
4. Introduction to the line test
5. Pointing with finger
6. Monocular testing
7. TNO Stereo test
8. "Fly"-stereo test
9. Worth four-dot test
10. Cover test
11. CONE adaptation
12. Summary

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