Although most laptops no longer include an optical disk drive, some users still keep external burners for reading old DVDs.

She installed the new optical disc drive to play archival CDs and DVDs on her desktop.

Many vintage laptops still include optical disk drives for reading CDs and DVDs.

After we upgraded the servers, the lab still had several optical disc drives for legacy backups.

Researchers observed several extraordinary optical transmissions through the perforated metal film during the experiment.

To meet the demands of next-generation data centers, engineers designed integrated optical circuits that combine lasers, modulators, and detectors on a single chip.

The telescope team raced to analyze the data after detecting a fast blue optical transient near the galaxy's core.

After breaking my glasses, I made an appointment with the optician to get new lenses fitted.

The town's opticians collaborated to organize a free eye-check event for children.

Before running the eye-tracking protocol, the clinician calibrated the opticokinetic stimulus to ensure consistent responses.