Details see under:
Institutions, journals, links...
  OpticsNet - informational service from OSA - Optical Society of America.
Optics Express - online journal published by OSA.
OpticsNotes.org - structured directory to various optics resources.
The Optics - educational site: resources for teachers, for self-education etc..

General optics courses
  Photonics Dictionary - large online glossary of optics terms.
Optics - a short tutorial.
Optics for kids - easy tutorial on optics.
What's light? - "high" level explanation from FermiLab.
History of Optics on one page.
Optics 100 - lectures in PDF format.
Optics Highlights - history of optics.
Light and Optics - a tutorial.