Most glasses and sunglasses on the market make use of metal or plastic frames. It’s relatively easy to create all manner of interesting frame geometries, tolerances can be easily controlled for ...
These frames were reasonably comfortable ... I wear glasses every day, and from all the times I've tested different glasses brands for my job, I probably have 10 or more pairs that I wear regularly.
The device would carry a higher price tag. Some employees involved in the project expect the Hypernova glasses to cost around $1,000, compared with a $299 starting price for the current Meta Ray-Bans.