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1.71 Lilense tsa mahlo tsa HMC tsa Single Vision
Lense ea 1.71 Lebitso le felletseng Lense ea index ea refractive ea 1.71, e nang le index e phahameng ea refractive, phetiso e phahameng, litšobotsi tse phahameng tsa nomoro ea Abbe, tabeng ea tekanyo e tšoanang ea myopia, e ka fokotsa botenya ba lense haholo, ea fokotsa boleng ba lense, ka nako e ts'oanang, ea etsa hore lense e be e hloekileng le e khanyang haholoanyane, e seng bonolo ho hasanya lithollo tsa mookoli. Ho fumanoe hore ho eketsa resin ea cyclic sulfide ka har'a thepa ea lense ho ka ntlafatsa index ea refractive ea lense, empa resin e ngata haholo ea cyclic sulfide e tla lebisa phokotsong ea phetiso ea leseli le ho petsoha ha thepa. Ka ho laola ka nepo litaba tsa resin ea ring sulphur ho resin ea 1.71KR, lense ea 1.71 e fihlela index e phahameng ea refractive le nomoro ea abbe ha e ntse e netefatsa phetiso e ntle ea leseli, ho hasana ho tlase le pono e hlakileng.
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1.56 HMC ea Pono e le 'Ngoe
Lense, lense e boetse e bitsoa setsi sa seipone, ke setsi sa ho penta kamora ho kenngoa, se loketse ho khomaretsoa foreiming ea seipone, kahoo se bitsoa setsi sa seipone. Sebopeho sa sona e ka ba se otlolohileng, se otlolohileng, ke tlhomamiso e bonolo, e bonolo.
Tlhophiso: Lilense li ka aroloa ka mefuta e mene e latelang ho latela thepa e fapaneng:
Lense ea khalase ea lense ea sebaka se khethehileng sa lense ea resin
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1.49 Single Vision UC
Tekanyo ea refractive ea lense, 1.49, 1.56, 1.60, 1.67, 1.71, 1.74 letšoaong le ka holimo la lense e bolela index ea refractive ea lense. Bakeng sa likhalase tsa myopic, ha index ea refractive ea lense e phahame, moeli oa lense o ba mosesaane, ka lebaka la hore liparamente tse ling lia tšoana.
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Lilense tsa likhalase tsa letsatsi tsa CR39
Likhalase tsa letsatsi ke mofuta oa lihlahisoa tsa tlhokomelo ea pono ho thibela tšenyo ea mahlo a batho e bakoang ke khanya e matla ea letsatsi. Ka ntlafatso ea thepa ea batho le boemo ba setso, likhalase tsa letsatsi li ka sebelisoa e le lisebelisoa tse khethehileng bakeng sa botle kapa setaele sa botho.
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Lilense tsa mahlo tsa HMC tse nang le MR-174 FSV High Index tse 1.74
Ka kakaretso, ha re bua ka index ea lense ea resin, e tloha ho 1.49 – 1.56 – 1.61 – 1.67 – 1.71 – 1.74. Kahoo matla a tšoanang, 1.74 ke a masesaane ka ho fetisisa, ha matla a le holimo, phello e totobala haholoanyane.
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Lilense tsa mahlo tsa HMC tse nang le MR-7 FSV High Index tse 1.67
Lense ea index ea 1.67 hangata e na le mefuta e 'meli ea thepa, thepa ea MR-7 le thepa ea MR-10.
Empa thepa ea MR-7 ke thepa e sebelisoang haholo le e tsebahalang haholo ho feta thepa ea MR-10.
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Lilense tsa mahlo tsa HMC tse nang le MR-8 FSV High Index tse 1.61
Lense ea index ea 1.61 hangata e arola mefuta e 'meli, lense ea 1.61 MR-8 le lense ea Acrylic ea 1.61.
Lense ea MR-8 ea 1.61 e tla ba bonolo haholoanyane ha e aparoa, ka lebaka la boleng ba eona bo botle ba Abbe:41.
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1.59 Lilense tsa mahlo tsa Polycarbonate HMC
Lilense tsa resin tse akaretsang ke thepa e tiileng ea mocheso, ke hore, thepa e tala ke metsi, 'me lilense tse tiileng li thehoa ka mor'a ho futhumatsa. Lilense tsa PC, tse tsejoang hape e le "lilense tsa sebaka", "lilense tsa bokahohle", tse bitsoang polycarbonate ka lik'hemik'hale, ke thepa ea thermoplastic.
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1.56 Bifocal Flat top / Chitja Top / Lilense tse kopantsoeng tsa HMC optical
Lilense tsa Bifocal ke lilense tsa mahlo tse nang le libaka tsa tokiso 'me li sebelisoa haholo-holo bakeng sa tokiso ea presbyopia. Sebaka seo li-bifocal li lokisang pono e hole ho sona se bitsoa sebaka sa pono e hole, 'me sebaka se lokisang sebaka sa pono e haufi se bitsoa sebaka sa pono e haufi le sebaka sa ho bala. Hangata, sebaka se hole se seholo, kahoo se boetse se bitsoa selae se seholo, 'me sebaka se haufi se senyenyane, se bitsoa selae se senyenyane.
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Lilense tsa mahlo tsa HMC tse nang le porgressive tse 1.56
Lense e tsoelang pele ke lense e bolelele ba li-focal tse ngata, e fapaneng le likhalase tsa ho bala tsa setso le likhalase tsa ho bala tsa bifocal. Lilense tse tsoelang pele ha li na mokhathala oa mahlo o lokelang ho fetola bolelele ba focal khafetsa ha li sebelisa bolelele ba bifocal, 'me ha ho na mola o totobetseng pakeng tsa mola oa moeli oa bolelele ba focal. E phutholohile ho e apara 'me e na le ponahalo e ntle, 'me butle-butle e fetohile khetho e ntle ka ho fetisisa bakeng sa batho ba nang le presbyopia.
