I-Ultra Thin High Index 1.74 Amalensi
Ayini Amalensi we-High Index 1.74?
Uma Unencwadi Kadokotela Eqine Kakhulu, Kufanele Ucabangele I-Ultra Thin High Index 1.74 Lens.
Amalensi e-High Index 1.74 angamalensi amancane kakhulu, ayisicaba, futhi akhanga kakhulu ngokwezimonyo ake athuthukiswa.
Lawa ma-lens azacile kakhulu acishe abe mancane ngo-40% kunepulasitiki futhi azacile ngo-10% kunamalensi anenkomba ephezulu angu-1.67, akunikeza okuphambili kwezobuchwepheshe nezimonyo. Ilensi ezacile iyathopha kakhulu, inciphisa ukuhlanekezela okudalwa yimiyalelo ephezulu uma yenziwe ngamalensi ekhwalithi ephansi.
Yikuphi ukushuba kwelensi okufanele ngikhethe?
Uma uphakathi, noma ungaboni kahle kakhulu uzozuza kumalensi azacile njengoba ugqinsi lwama-lens akho luzobonakala kakhulu.
Amalensi anenkomba ye-refractive engu-1.6 alungele imiyalelo lapho inani lencwadi kadokotela ye-SPH liphakathi kuka--2.50 kanye -4.00.
Phakathi kuka -4.00 kanye -6.00 singancoma ilensi enenkomba ye-refractive engu-1.67, futhi noma yimiphi imiyalo engaphezu kwaleyo ilensi enenkomba ye-refractive engu-1.74 izofaneleka kakhulu.
Uma incwadi yakho kadokotela ingaphezu kuka-5.00 sizodinga isilinganiso esinembile sebanga phakathi kwabafundi bakho, ngokuvamile okubizwa ngokuthi i-PD.
Ngenxa yokuthi amalensi okubona isikhathi eside nokufushane ahlukene, kunokucatshangelwa okuhlukile ngakunye.
Amalensi we-Hi-index 1.74 alungele
1. Ifanele imiyalo yamandla aphezulu kububanzi +10.00 kuya -10.00
2. Akunconyelwe izibuko ezingenarimless noma ezingenarimless
3. Ukuqina kokuklwebheka okukhethekile
4. Ukucaca okukhethekile okubonakalayo
5. 50% ukuncishiswa ukujiya
6. 30% ukunciphisa isisindo
7. Ifanele amafreyimu angamasayizi amakhulu
