-
lenses use
organic photochromic molecules (for
example oxazines and
naphthopyrans) to
achieve the
reversible darkening effect.
These lenses darken when...
- triarylmethanes, stilbenes, azastilbenes, nitrones, fulgides, spiropyrans,
naphthopyrans, spiro-oxazines,
quinones and others. One of the oldest, and perhaps...
- "Neoplaca mirabilis, a new
genus and a new
epigaeic species containing naphthopyrans from the
family Teloschistaceae". The Lichenologist. 55 (6): 443–450...
- PMID 11324918. Ferrari, F.; Monache, G.Delle; de Lima, R.Alves (1985). "Two
naphthopyran derivatives from
Faramea cyanea". Phytochemistry. 24 (11): 2753–2755...