A 70-year-old man presents with blurred vision and a nasal-field defect in one of his eyes. He reports that before arriving in the emergency department, he saw flashes of light and floaters, accompanied by a shower of black dots blocking his vision.
Figure 1 shows what the physician sees when examining the patient’s eye with indirect ophthalmoscopy and scleral depression. Consider what your diagnosis would be.
Flashes of Light, Floaters, and Blurred Vision