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Interpretation of screening results
| Recommendation | Grade |
|---|---|
| No toxicity: No abnormalities suggestive of retinal toxicity detected on any test. | B |
| Possible toxicity: One test result (which in the case of visual fields should be reproducible) typical of hydroxychloroquine retinopathy, but typical abnormalities not present in other tests. | GPP |
| Definite toxicity: Two test results (one subjective test and one objective test) with abnormalities typical of hydroxychloroquine retinopathy. | B |
