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| lights_on_off_test [2025/06/18 18:40] – Scott Larson | lights_on_off_test [2025/06/21 05:42] (current) – Scott Larson | ||
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| ====== Lights On-Off Test ====== | ====== Lights On-Off Test ====== | ||
| - | FIXME | ||
| - | |||
| a.k.a. | a.k.a. | ||
| - | This test is useful in the setting of diplopia in the presence of a dragged fovea causing diplopia giving central-peripheral rivalry | + | * This test is useful in the setting of diplopia in the presence of a dragged fovea causing diplopia giving central-peripheral rivalry |
| + | * Use a single white letter on a black monitor about 20/70 in size | ||
| + | * Must have a very dark room and no light bleeding through an LCD monitor | ||
| + | * The patient sees diplopia when fixating on the letter with the lights on | ||
| + | * With the lights off, the diplopia resolves | ||
| + | |||
| + | {{ :: | ||
| - | <wrap round box>see De Pool ME. et al. The Dragged-Fovea Diplopia Syndrome: Clinical Characteristics, | + | <wrap round box>from [[ https:// |
| {{tag> | {{tag> | ||