Rare diseases · Sign or symptom
Photoreceptor layer loss on macular OCT
HP:0030609
What it means
Loss of the outer nuclear layer (photoreceptor layer) as assessed by ocular coherence tomography.
Rare diseases that can present with this2
The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.
Part of the broader category
Photoreceptor layer loss on macular OCT
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Start free with EleplanThis page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.