Four Seasons
A three-month replacement daily wear RGP contact lens
Novel disposable RGP contact lenses
Changing the color of your lenses according to the season so you can enjoy using them comfortably.
Replace lenses every 3 months
It is reassuring for users whose lenses easily get dirty or stained with cosmetics.
Spare lenses included
One box of Four Seasons contains 4 lenses, so you have spares on hand and don't need to worry about broken or lost lenses.
Further improvement in wearing comfort
Improvements made to conventional RGP lenses for comfortable wear.
Thin peripheral design
Improved from the design of Menicon TINU, the peripheral part of Four Seasons is about 15% thinner in order to reduce the contact with the eyelids. (About 40% thinner than Menicon Z)
Reduced weight
Due to the thinner lens periphery, the weight has been reduced by about 10% which results in less strain on the eyes.
Surface treatment to maintain moisture
Plasma treated to improve wettability and to prevent dirt and clouding while sustaining moisture.
*Wearing comfort may vary between individuals.
A large amount of oxygen is delivered to the eyes
Suitable for users who wear lenses for long periods due to high oxygen transmission.
High oxygen permeability
Boasting Menicon's highest ever oxygen permeability with a Dk of 171
Smoother tear exchange
RGP contact lenses are similiar in size than soft contact lenses, which enables tear replacement and more oxygen delivery.
Clear vision
Pursuing the quality of vision by making the most of the features of RGP contact lenses.
Optical design less susceptible to blurring
The front surface utilizes an aspheric design to correct blur. Clear vision is obtained because focus is less likely to blur when the wearer blinks.
Stable vision for in people with astigmatism
Excellent at correcting corneal astigmatism, with promising high vision correction ability.
*Some forms of astigmatism may not be sufficiently corrected with Four Seasons.
*Visual performance may vary between individuals.
Lens specifications
Characteristics
Material | Flourine-containing methacrylate-based compound, silicon-containing styrene compound, styrene methacrylate |
---|---|
Lens color | Pink, green, orange, blue |
Dk | 171 x 10-11(cm2/sec) · (mLO2/(mL x mmHg))* |
UV | UVA: 97% block/ UVB: 98% block (@ -3.00D)** |
*ISO 18369-4
**ISO 18369-3
Parameter range
Base curve |
7.40 - 7.50 mm (0.1 mm step) |
7.60 - 7.80 mm (0.1 mm step) |
7.90 - 8.10 mm (0.1 mm step) |
8.20 - 8.40 mm (0.1 mm step) |
---|---|---|---|---|
Diameter | 9.0 mm | 9.2 mm | 9.4 mm | 9.6 mm |
Power range |
-1.50D to -6.00D (0.25D steps), -6.50D to -10.00D (0.50D steps) |