For single vision prescripiton lens: > 1.56 index lens range a. SPH 0.00 ~ -6.00/ CYL 0.00 ~ -4.00 b. SPH 0.00 ~ +6.00/ CYL 0.00 ~ -4.00 If your CYL above -2.25 , please conact with us to pay high CYL fee > 1.61 index lens a.SPH 0.00 to -8.00 / CYL 0.00 ~ -6.00 b.SPH 0.00 to +6.00 / CYL 0.00 ~-6.00 If your CYL above -2.25 , please conact with us to pay high CYL fee > 1.67 index lens a.SPH 0.00 ~ -10.00 / CYL 0.00 ~ -6.00 b.SPH +1.00~+7.00/ CYL 0.00 ~ -6.00 If your CYL above -2.25 , please conact with us to pay high CYL fee > 1.74 index lens Myopia: a. SPH -1.00 ~ -15.00 b. SPH -1.00 ~ -12.00/ CYL 0.00 ~ -2.00 c. SPH -1.00 ~ -10.00/ CYL -2.25 ~ -4.00 Presbyopia: a. SPH +3.00~+10.00 b. SPH +3.00~+8.00/ CYL 0.00 ~ -2.00 c. SPH +3.00~+6.00/ CYL 0.00 ~ -4.00 If your CYL above -2.25 , please conact with us to pay high CYL fee For Multi-focal progressive prescription lens: They are personal customized prescription lenses, most prescriptions can make. You can show us prescription datas to check directly. If have problem, we will contact with you at first time. For same optical frame, same prescription datas: Index higher, lens will be thinner, lighter and harder. 1.56---1.61---1.67---1.74 thick-------------------->thin

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