Scanning Laser Ophthalmoscope (SLO) with Spectral Optical Coherence Tomography (OCT) is an advanced spectral laser scan of the Anterior segment, Retina and Optic Nerve of the eye. It tests the inner structures of the eye in minute detail. The most advanced version of this machine is available at Grover Eye Laser Hospital and it shows all fine blood vessels of the retina along with the detailed report.