trifocal lenses
Sign in to saveAlso known as trifocals
eyeglass lens with three distinct optical powers
Wikidata facts
- Subclass of
- lens
Show 1 more fact
- time of discovery or invention
- 1827-00-00
Sources (2)
via Wikidata · CC0
Also known as trifocals
eyeglass lens with three distinct optical powers
via Wikidata · CC0