This sounds a lot like optical coherence tomography (OCT), which is essentially laser-based “ultrasound” used to image the inside of retinal tissue. (It’s not actually ultrasound, it’s entirely optical but uses similar principles.)
It’s already a common diagnostic tool used for patients who are at risk for glaucoma. By creating a 3D cross section of the eye’s retinal structures, it lets physicians detect early damage from the disorder, hopefully before any vision loss.
https://en.m.wikipedia.org/wiki/Optical_coherence_tomography
It’s already a common diagnostic tool used for patients who are at risk for glaucoma. By creating a 3D cross section of the eye’s retinal structures, it lets physicians detect early damage from the disorder, hopefully before any vision loss.