(physics) The differential Raman scattering of left and right circularly polarized light by chiral molecules.

(optics) A method of designing optical systems in which the conformation of the lenses is chosen to optimize its interaction with the local environment

(neuroanatomy) Each of the second pair of cranial nerves that carry visual information from the retina to the brain.

Op art.

(telecommunications) A switch that can selectively change signals between optical fibers or integrated optical circuits.

A photonic device that integrates multiple information signals which are composed of light of various wavelengths.

(astronomy) A star that appears as a double due to an optical illusion; in reality, the stars may be far apart from each other.

Misspelling of ophthalmic.

Misspelling of ophthalmoscope.

Misspelling of ophthalmology.