<unk>  is a non-invasive method to examine the small arteries and veins in the retina which allows to draw conclusions about the morphology and the function of small<unk> s elsewhere in the human body.<unk>  is conducted mainly by ophthalmologists, cardiologists, neurologists and other medical specialities dealing with vascular diseases. __TOC__
Retinal vessel analysis
Retinal birefringence scanning
Microperimetry
Eye testing using speckle
Fundus photography
Scanning laser ophthalmoscopy
Humphrey visual field analyser
Doppler optical coherence tomography