What immediate investigations should be performed in a patient suspected of having CRAO or BRAO?

Guideline-aligned answer with reasoning, red flags and references. Clinically reviewed by Dr Kola Tytler MBBS CertHE MBA MRCGP.

Posted: 17 August 2025Updated: 17 August 2025 Guideline-Aligned (High Confidence) Clinically Reviewed
Dr Kola Tytler MBBS CertHE MBA MRCGPClinical Lead • iatroX

Based on the provided UK guideline context, there is no information available regarding the immediate investigations that should be performed in a patient suspected of having central retinal artery occlusion or branch retinal artery occlusion ,,,. The provided guidelines focus on age-related macular degeneration and glaucoma ,,,.

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What immediate investigations should be performed in a patient suspect