Optical

1.

(Having, to do with light and sight, made to assist sight) optical lenses ខាងទស្សនសព្ពន្ធ
Example: A microscope is an optical instrument.optical illusion នៃភ្នែក

2.

(វេជ្ជសាស្ត្រ) នៃភ្នែក

• General Optical Council
  - ក្រុមប្រឹក្សាចក្ខុការី
• optical fibres
  - ប្រព័ន្ធអុបទិចជាខ្សែដែលអាចបត់បែនបាន
• optical illusion
  - កំហើញស្រវាំង
• optical instrument
  - ឧបករណ៍អុបទិច

1.

Relating to the science of optics; as, optical works.

2.

Of or pertaining to vision or sight.

3.

Of or pertaining to the eye; ocular; as, the optic nerves (the first pair of cranial nerves) which are distributed to the retina.