NIR spans from 780 nm to 1400 nm. SWIR extends from 1400 nm to 3000 nm
OCT creates cross-sectional retinal images with 10-15 micron accuracy. First introduced in 1991 by Huang et al. Uses interferometry to create retinal maps
OCT-A is a non-invasive technique for imaging retina and choroid microvasculature. Uses laser light to depict vessels without injectable dyes. Employs SD-OCT (800nm) or SS-OCT (1050nm) wavelengths. Produces 3mm2 to 12mm2 images segmented into four zones
SEM scans sample surface with focused electron beam to produce images. Secondary electrons detected using Everhart-Thornley detector. Resolution can reach resolutions better than 1 nanometer. Magnification ranges from 10 to over 500,000 times
FOV refers to the angular extent of observable world seen at any moment. Humans have 210-degree horizontal visual field without eye movements. Binocular vision covers 114 degrees horizontally in humans. Color vision concentrated in center, motion perception in periphery
First PiP appeared during 1976 Olympics with Quantel digital framestore. Sharp introduced TV in TV "Mr.X" in Japan in 1978. NEC launched "Popvision" TV in Japan in 1980 with 6" CRT