The word optical is an adjective. Optical means (1) of or relating to or involving light or optics, (2) relating to or using sight, (3) of or relating to or resembling the eye.
The following articles and web pages elaborate on the word optical.
Browse this optical goods provider guide and directory to learn about optical goods suppliers in the United States of America. The photo on this page shows a telescope eyepiece.
Visit this optical goods retailer directory to locate optical product retailers in the United States. The photo on this web page depicts a woman looking through binoculars.
This optical goods provider page comprises information about ophthalmic careers in the United States of America plus a sepia photo of several ophthalmic instruments.
Spotting scopes are used for a variety of recreational pursuits including hunting and birding. Find links to manufacturers of spotting scopes, sports optics, and accessories.
The latest optical illusion is for your ears. Depending on who you ask, an audio recording sounds like either "yanny" or "laurel." Wired editor-in-chief Nick Thompson explains why.
CBS News. Wednesday, 16 May 2018 23:53:15 +0000.
The following pages provide more extensive optical news.