OCT imaging may be recommended if you have blurred vision and the cause is unclear, because it can reveal swelling

https://retinacareimagingblog055.focalledger.com/posts/oct-results-questions-every-patient-should-bring-to-their-follow-up

OCT imaging may be recommended if you have blurred vision and the cause is unclear, because it can reveal swelling, thinning, or fluid in the layers of the eye.