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Patient Presentation: A 23-year-old obese female was diagnosed with idiopathic intracranial hypertension (IIH) and referred to neurosurgery for ventriculoperitoneal shunt. A baseline ocular examination was performed prior to the procedure.
On examination, vision was 20/200 in the right eye, and 20/40 in the left eye. There was a right relative afferent pupillary defect. Slit lamp examination was normal.
A dilated fundus examination was performed demonstrating the following:
Patient Presentation: A 73-year-old female presents to ophthalmology clinic for a routine follow-up appointment. Her vision is 20/20 in the right eye and 20/400 in the left eye. Her central vision in the left eye has been poor for many years. An OCT macula was performed in the left eye demonstrating the following:
Question: Please describe this OCT?
Question: Why does choroidal hyper-transmission occur?
Question: What is the likely diagnosis?
1. Identify OCT features of geographic atrophy
2. Understand why choroidal transmission occurs in geographic atrophy
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