1.499 Bifocal Flat Top Lens

the flat top bifocal is one of the easiest multifocal lens to adapt to, it is one of the most popular bifocal lens in the world. It’s distinct “jump” from distance to near vision gives wearers two well-demarcated areas of their glasses to use, depending upon the task at hand. The line is obvious because the change in powers is immediate, with the advantage being it gives you the widest reading area without having to look too far down the lens. It is also easy to teach someone how to utilize the bifocal in that you simply use the top for distance and the bottom for reading.

What Makes OptoTech Progressive Lenses Different From Standard Lenses
27 Jul, 2026
Lens Technology Optotech Lens Explained: The Engineering Behind optotech lens design and OptoTech progressive lenses Choosing a lens supplier is rarely about a single spec sheet. ...
READ MORE
Which Is Better, Bifocal or Progressive Lenses
20 Jul, 2026
Optical Manufacturing Insight Bifocal Lens: Engineering Precision for Dual-Distance Vision Correction Bifocal lens products remain one of the most requested optical correction sol...
READ MORE
What Is a Semi-Finished Lens and How Do You Choose the Right Type
13 Jul, 2026
Optical Lens Manufacturing Guide Semi-Finished Lens Technology Lens Blank Selection and Processing What Is a Semi-Finished Lens and How Is It Used to Produce Prescription Eyewe...
READ MORE
What Color Blue Light Blocking Lens Is Best for Your Eyes
06 Jul, 2026
Lens Technology and Optical Performance How Does a Blue Light Blocking Lens Filter Different Wavelengths? A blue light blocking lens is designed to reduce the transmission of se...
READ MORE
What Exactly Are Progressive Lenses and How Does Freeform Optical Technology Work
29 Jun, 2026
Comprehensive Guide to progressive lens Technologies: Optical Design, Material Specifications, and Manufacturing Precision When addressing the question of whats progressive lens f...
READ MORE

1.499 flat-top bifocal optical lens
Model:	1.499 optical lens
Place of Origin:	Jiangsu, China
Brand:	SETO
Lenses Material:	Resin
Function	Flat-top bifocal
Lenses Color	Clear
Refractive Index:	1.499
Diameter:	70mm
Abbe Value:	58
Specific Gravity:	1.32
Transmittance:	>97%
Coating Choice:	HC/HMC/SHMC
Coating color	Green
Power Range:	Sph: -2.00~+3.00 Add: +1.00~+3.00

Web Menu

Product Search

Language

Exit Menu