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Patient Presentation: A 21-year-old male was seen in clinic for progressive decline in vision and worsening photophobia OU. Visual acuity was 20/30 OD and 20/30 OS. Colour vision was 5/16 Ishihara plates in both eyes. Fundus photos are shown below:
Given the decline in vision, an OCT macula was performed below:
Describe the OCT
Question: The yellow arrow is pointing towards the most anterior hyper-reflective line in the outer retina. What layer of the retina is it pointing to?
Question: What investigation should be performed next?
1. Identify OCT features in cone dystrophy.
2. Recognize the external limiting membrane on OCT.
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