1. relating to sight or vision
2. relating to light or the science of optics
Usage: technical
3. using light rays to transmit or process information
Usage: technology

Examples

• The optical illusion made the straight lines appear curved.
• She visited the eye doctor for an optical examination.
• The telescope uses optical lenses to magnify distant objects.
• Optical fibers carry internet signals at the speed of light.
• The microscope’s optical system revealed tiny cellular structures.
• Optical scanners convert printed text into digital format.
• The optical properties of the crystal created beautiful rainbows.