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Brückner amblyopia test a low-cost alternative in developing countries

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The Brückner test may be a low-cost alternative to either a photo screener or no screening for amblyogenic factors, according to a study. Although imperfect, the test might be particularly useful in developing countries, the study authors noted.

Mihir Kothari, MS, DNB, and colleagues prospectively analyzed the Brückner test in 101 children 16 years of age or younger. The researchers compared the results of the Brückner test performed by an optometrist to the results of a complete ophthalmic examination by a pediatric ophthalmologist who was masked to the Brückner test results

The optometrist identified 39 patients as Brückner test positive. On clinical examination, 12 subjects had anisometropia of more than 1 D and 20 had manifest deviation of more than 4 prism D. Brückner test sensitivity was 81.2% and specificity as 81.6%. False positive and false negative rates were 18.8%.

The study is published in the American Orthoptic Journal.