Optically
Optically , adverb
1.
By optics or sight.
2.
With reference to optics.
Collocations (2)
Optically active or Optically inactive (Chemistry Physics) , terms used of certain isomeric substances which, while identical with each other in other respects, differ in this, namely, that they do or do not produce right-handed or left-handed circular polarization of light. See optical activity.
Optically positive or Optically negative , See under Refraction.