OCR
optical wand
camera lucida
Gabor patch
telextender
light microscope
opera glasses
binoculars
autoscope
optosensing
chromatoscanner
field glasses
opticist
serial time-encoded amplified microscopy
optode
optogenetic
epidiascope
optical
smartglasses
prism spectroscope
spectroscope
unsharp
resolving power
pseudoscope
enlarger
optically
anamorphic
optically active
scanner
spectropolarimeter
haploscope
viewer
auxometer
sensitize
chromascope
lensmeter
episcopic
microscope
lenslet
optostimulation
optical character recognition
optical device
sights
photoactivatable
haruspicate
flare
filter
specularize
wedgelet
viewfinder