OCT imaging may be recommended when a doctor needs a noninvasive scan of the eye layers

https://ophthalmicscanmanual853.raidersfanteamshop.com/why-an-optometrist-may-recommend-oct-eye-scan-for-ongoing-symptoms

OCT imaging may be recommended when a doctor needs a noninvasive scan of the eye layers, especially to avoid more invasive testing unless it is necessary.