🌐EnglishEnglishFrançaisItalianoNederlandsPortuguêsРусскийالعربيةفارسیहिन्दी中文日本語EntityQ2737181· pop 13· linked from 111 articlesphotochromic lensAlso known as photochromic lensesoptical lenses that darken on exposure to certain wavelengths of lightWikidata factsImagePhotochromicLens.jpgSources (1)wikidata.orgvia Wikidata · CC0Available in 12 languagesFrançais中文PortuguêsItalianoالعربيةहिन्दीMalayNederlandsNorwegian NynorskTamilConnectionsglassEntityInternational Standard Book NumberEntityCategoriesChromismCorrective lensesGlass applicationsGlass chemistryGlass compositions