RX 1.499 1.56 1.60 1.67 1.74 Single Vision Progressive Blue Block Round Top Flat Top Bifocal Photochromic Lens

Lens surfaced according to prescriptions in the lens laboratory is called Rx lens. In theory, it can be accurate to 1°. At present, most of Rx lens is ordered by a gradient power degree of 25. Of course, parameters such as pupil distance, asphericity, astigmatism and axial position are customized to achieve the best results (not just a more uniform thickness). Reading glasses lens, because of more tolerance of pupil distance, the gradient power degree is 50, but there is also 25.

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Index	1.499	1.56	1.6	1.60（MR-8）	1.67	1.74
Diameter(MM)	55~75	55~75	55~75	55~75	55~75	55~75
Visual Effect	Single vision	Single vision	Single vision	Single vision	Single vision	Single vision
	Flat-top	Flat-top	Polarized	Bluecut	Polarized	Blue cut
	RoundTop	Round-Top	Bluecut	Photochromic	Blue cut
	Progressive	Progressive	Photochromic		Photochromic
	Polarized	Polarized
	Bluecut	Bluecut
	Photochromic	Photochromic
Coating	UC/HC/HMC	HC/HMC/SHMC	HMC/SHMC	HMC/SHMC	HMC/SHMC	SHMC
Power Range(SPH)	0.00~-10.00 0.25~+14.00	0.00~-30.00 0.25~+14.00	0.00~-20.00 0.25~+10.00	0.00~-20.00 0.25~+10.00	0.00~-20.00 0.25~+10.00	0.00~-20.00
Cyl	0.00~-6.00	0.00~-6.00	0.00~-6.00	0.00~-6.00	0.00~-6.00	0.00~-4.00
Add	+1.00~+3.00	+1.00~+3.00

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