OKVision® PRIMA BIO Bi-focal design 1-Day daily replacement lenses

Hydrogel bifocal soft contact lenses for daily disposability to control the progression of myopia in children and adolescents.

Unique lenses all around the world

Soft bifocal lenses OKVision® Prima BIO Bi-focal have no analogues. It is used to slow the progression of childhood myopia since 2018. The lenses are now available in daily replacement format.

Slowing the progression of myopia

Bifocal lens design allows you to simultaneously solve two problems: provide visual acuity and slow down the growth of the eyeball due to the formation of myopic peripheral defocus on the retina..

Safe and comfortable wearing

Reducing possible risks of complications and eliminating additional care products, as well as the possibility of longer wear (up to 14 hours) compared to monthly replacement lenses.

Key features of
OKVision® PRIMA BIO Bi-focal design lenses

Myopia control: myopic defocus + reduced contrast sensitivity. Provided thanks to a high add of 4.0 diopters

Proven effectiveness in controlling the progression of myopia
The optical design of the lenses has been shown to be effective in controlling myopia at 54% for low myopia and 79.5% for moderate myopia.

Safety and freedom
Daily replacement minimizes the risk of complications and eliminates the need for care products

Rounded lens edge
Reduces the risk of conjunctival trauma and ensures safer wearing

OKVision® 3D Humidification System
Matrix retention of water inside the lens due to the hydrophilicity of the material

Biomimetic properties of the material
promote strong retention of water on the surface of the lens, providing comfort from the first moment of wearing.

Lens Characteristics

Material: Hioxifilcon A
Manufacturing method: Cast mold
Water content: 55%
Oxygen permeability (Dk/t): 33.00×10 -9
Elastic modulus: 0.18-0.25 MPa
Curvature: 8.4 mm
Diameter: 14.2 mm
Refraction range (Pwr, D): from -0.50 to -5.00 step 0.25; -5.50; -6.00 add 4.00

Addition value: 4.0 D
UV protection: yes
Additional humidification system: 3D
Aspherical design
Rounded edge
Wearing mode: daytime.
Replacement mode: 1 day.
Packing: 30 blisters.