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1.56 Isithombe Amalensi e-Optical e-HMC Anemibala
Amalensi e-Photochromic, aziwa nangokuthi "ama-photosensitive lens".Ngokomgomo wokusabela okuguqulwayo kombala okhanyayo, i-lens ingaba mnyama ngokushesha ngaphansi kwemisebe yokukhanya nemisebe ye-ultraviolet, ivimbe ukukhanya okunamandla futhi imunce imisebe ye-ultraviolet, futhi imunce ukukhanya okubonakalayo ngokungathathi hlangothi;lapho ibuyela endaweni emnyama, ingabuyisela ngokushesha isimo esingenambala nesisobala, iqinisekise i-lens yokudlulisa.Ngakho-ke, ama-lens photochromic afaneleka kokubili ukusetshenziswa kwangaphakathi nangaphandle ukuvimbela ukulimala kwamehlo kusuka ekukhanyeni kwelanga, ukukhanya kwe-ultraviolet nokuxhopha.
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1.56 Isithombe se-FSV Amalensi e-Optical ampunga e-HMC
Amalensi e-Photochromic awagcini nje ngokulungisa ukubona, kodwa futhi amelana nomonakalo omkhulu wamehlo ovela emisebeni ye-UV.Izifo eziningi zamehlo, ezifana ne-macular degeneration ehlobene neminyaka, i-pterygium, i-senile cataract nezinye izifo zamehlo zihlobene ngokuqondile nemisebe ye-ultraviolet, ngakho-ke ama-lens photochromic angavikela amehlo ngezinga elithile.
Amalensi e-Photochromic angakwazi ukulungisa ukudluliswa kokukhanya ngokushintsha umbala kwelensi, ukuze iso lomuntu likwazi ukuzivumelanisa nokushintsha kokukhanya okuzungezile, anciphise ukukhathala okubukwayo futhi avikele amehlo.
