To our knowledge, this is the first reported case of an embolic three-fourths central retinal-artery obstruction with isolated sparing of the superior temporal branch artery. Multiple nonfoveolar-sparing cilioretinal arteries were also present. As a result of the unusual obstruction distribution, ischemic optic neuropathy was simulated after a five-month interval. Patients who are not seen acutely after a retinal-artery obstruction may be diagnosed and managed incorrectly if this variation from the usual condition is not recognized.
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