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lights_on_off_test [2025/06/18 18:49] – Scott Larsonlights_on_off_test [2025/06/21 05:42] (current) – Scott Larson
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 ====== Lights On-Off Test ====== ====== Lights On-Off Test ======
-FIXME 
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 a.k.a.  Small field central fusion test a.k.a.  Small field central fusion test
   * 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
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   * The patient sees diplopia when fixating on the letter with the lights on   * The patient sees diplopia when fixating on the letter with the lights on
   * With the lights off, the diplopia resolves   * With the lights off, the diplopia resolves
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 +{{ ::lights_on_off_test.jpg?|}}
  
 <wrap round box>from [[ https://1drv.ms/b/c/31d83ae8e55e0542/EfdNd4vxVu1GvodwCzzwIrcB_IV0M-VkU0jFRJ27OCTUoQ?e=mPWISz |De Pool ME. et al. The Dragged-Fovea Diplopia Syndrome: Clinical Characteristics, Diagnosis and Treatment. Ophthalmology 2005;112:1455-1462]] </wrap>  <wrap round box>from [[ https://1drv.ms/b/c/31d83ae8e55e0542/EfdNd4vxVu1GvodwCzzwIrcB_IV0M-VkU0jFRJ27OCTUoQ?e=mPWISz |De Pool ME. et al. The Dragged-Fovea Diplopia Syndrome: Clinical Characteristics, Diagnosis and Treatment. Ophthalmology 2005;112:1455-1462]] </wrap>