1.74 refractive index conventional coated lens

Applicable scope:

Myopia: -5.00D or more (high degree)

Hyperopia: +5.00D or more (high degree)

Astigmatism: -2.00D or more (high degree)

Thickness characteristics:
One of the thinnest lenses, suitable for people with high degree, the edge thickness is significantly reduced, beautiful and light to wear.

Abbe number: about 32-33
The Abbe number is low and the dispersion is high, but due to its ultra-thin characteristics, it is still the first choice for people with high degree.