Lensi fotochromic bụ lensi nke na-agbanwe agba ya ka ìhè dị n'èzí gbanwere. Ọ nwere ike ịgba ọchịchịrị ngwa ngwa n'okpuru anyanwụ, transmittance ya na-ebelata nke ukwuu. Ka ìhè si sie ike, otú ahụ ka agba lensi ahụ si gbaa ọchịchịrị, nakwa nke ọzọ. Mgbe e tinyere lensi ahụ n'ime ụlọ, agba lensi ahụ nwere ike ịlaghachi ngwa ngwa n'ọnọdụ doro anya mbụ.
Mgbanwe agba na-adaberekarị n'ihe na-agbanwe agba n'ime lenzi ahụ. Ọ bụ mmeghachi omume kemịkalụ a na-agbanwe agbanwe.
N'ozuzu, e nwere ụdị teknụzụ mmepụta lensị fotochromic atọ: in-mass, spin coating, na dip coating.
Lens e ji aka mepụta n'ọtụtụ ihe nwere akụkọ mmepụta ogologo oge na nke kwụsiri ike. Ugbu a, a na-eji 1.56 index emepụta ya, nke nwere otu ọhụụ, bifocal na multi-focal.
Mkpuchi spin bụ mgbanwe dị na mmepụta lenzi fotochromic, nnweta lenzi dị iche iche site na 1.499 ruo 1.74. Mkpuchi spin photochromic nwere agba ntọala dị nro, ọsọ ọsọ, na agba gbara ọchịchịrị na ọbụna mgbe mgbanwe gasịrị.
Mkpuchi mmiri bụ iji mikpuo lenzi ahụ n'ime mmiri ihe fotochromic, ka o wee jiri oyi akwa fotochromic kpuchie lenzi ahụ n'akụkụ abụọ ya.
A na-eji Universe Optical achọ ihe dị mma maka oghere fotochromic. Site na ebe a na-arụ ọrụ nyocha na nhazi siri ike, enwere ọtụtụ usoro lenzi fotochromic nwere arụmọrụ dị mma. Site na fotochromic ọdịnala nke 1.56 nwere ọrụ mgbanwe agba otu, ugbu a anyị emepụtala ụfọdụ lenzi fotochromic ọhụrụ, dị ka lenzi fotochromic blueblock na lenzi fotochromic spin.
