The High Index (1.74 index) lisebelisoa tsa lense ke lisebelisoa tsa lense tse tšesaane le tse bobebe ho feta lefats'e, 'me ke khetho e ntle ka ho fetisisa bakeng sa litaelo tsa matla a holimo, kapa mang kapa mang ea batlang lense ea thinnest bakeng sa ts'ebeliso ea bona.Li na le tšireletso ea UV ea 100% 'me li sebetsa hantle ka mefuta e mengata ea liforeimi ntle le e se nang rimless.
Bakeng sa pono le chebahalo e ntle ka ho fetisisa, ke mohopolo o motle ho ba le lense ea anti-reflective (AR coating) e kentsoeng ho lilense tsa index e phahameng.Lilense tsa AR-coated high-index li fetisetsa ho fihla ho karolo ea 99.5 lekholong ea leseli mahlong bakeng sa pono e nepahetseng.
Mme hobane ho roala ha AR ho batla ho felisa likhakanyo tsa lense, ho etsa hore lilense tsa index e phahameng li bonahale li sa bonahale, kahoo ba bang ba bona mahlo a hau, eseng lilense tsa hau.
Leseli le leputsoa le fapana ka bolelele ba maqhubu le matla ho tloha ho 380 nm (matla a holimo ho isa ho 500 nm (matla a tlase haholo).
Kahoo, hoo e ka bang karolo ea boraro ea khanya eohle e bonahalang ke leseli le leputsoa
Leseli le leputsoa le arotsoe hape ka lihlopha tsena (matla a phahameng ho isa ho matla a tlase):
Leseli la Violet (hoo e ka bang 380-410 nm)
· Leseli le leputsoa-violet (hoo e ka bang 410-455 nm)
Leseli le leputsoa-turquoise (hoo e ka bang 455-500 nm)
Ka lebaka la matla a 'ona a phahameng, mahlaseli a violet le blue-violet a ka senya leihlo.Ka lebaka lena, mahlaseli ana (380-455 nm) a boetse a bitsoa "leseli le leputsoa le kotsi."
Ka lehlakoreng le leng, mahlaseli a khanyang a blue-turquoise a na le matla a fokolang 'me a bonahala a thusa ho boloka potoloho e phetseng hantle ea boroko.Ka lebaka lena, mahlaseli ana (455-500 nm) ka linako tse ling a bitsoa "leseli le leputsoa le molemo."
Mahlaseli a sa bonahaleng a ultraviolet (UV) a ka nqane ho ntlha ea matla a phahameng ka ho fetisisa (violet) qetellong ea mahlaseli a mahlaseli a kotsi a putsoa a nang le maqhubu a makhutšoane le matla a mangata ho feta khanya e putsoa e bonahalang e nang le matla a phahameng.Ho ipakile hore mahlaseli a kotsi a kotsi mahlong le letlalong.
Lilense tse fokotsang leseli le leputsoa li entsoe ho sebelisoa pigment e nang le tokelo e kentsoeng ka kotloloho ho lense pele ho ts'ebetso ea ho lahla.Seo se bolela hore thepa e fokotsang leseli le leputsoa ke karolo ea lisebelisoa tsohle tsa lense, eseng feela lesela kapa lesela.Ts'ebetso ena e nang le tokelo ea molao e lumella leseli le leputsoa le fokotsang lilense ho sefa palo e phahameng ea leseli le leputsoa le lebone la UV.
1. Leseli le leputsoa le hohle.
2. Mahlaseli a khanya a HEV a etsa hore leholimo le shebahale le leputsoa.
3. Leihlo ha le sebetse hantle ho thibela leseli le leputsoa.
4. Ho pepeseha ha leseli le leputsoa ho ka eketsa kotsi ea ho senyeha ha macular.
5. Leseli le leputsoa le tlatsetsa khatellong ea mahlo ea digital.
6. Tšireletso ea khanya e putsoa e ka ba ea bohlokoa le ho feta ka mor'a ho buuoa ka cataract.
7. Ha se khanya eohle e putsoa e mpe.