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Presbyopia is the decline of accommodative ability of the eyes, which is an inevitable condition.
Presbyopia is a natural aging process of the eyes. Starting from the age of 40, your lenses become less flexible and stiffer. The images cannot be properly focused on your retina as the accommodation starts to decline, leading blurry close-up vision. Presbyopia happens regardless of whether you are nearsighted, farsighted or with normal vision.
Progressive lenses provide more than one focal length. The wearer can see objects clearly across all distances with just one pair of glasses.
Let’s think of lenses as sand piles. The stronger the prescription, the thicker the sand pile and vice versa.
When combining the lenses for far and near visions i.e. two prescriptions on the same lens surface, there will be 2 segments of sand piles with different thickness, creating a fault line inbetween. This is why the traditional bifocals have an obvious visible line between 2 segments, which affect the appearance. It also requires patient to accommodate the image jumps when switching between near and far distances.
To smoothen the line between the 2 sand piles, the thick sand pile is required to be redistributed to the sides.
This makes the appearance of progressive lens no difference from that of an ordinary lens, while still meeting the visual needs for far and near distance. The only trade-off is the thickness of the sand piles on the sides becomes inappropriate to vision, hence the distortion.
How to adapt to progressive lenses？
• Start as soon as you experience presbyopia
If presbyopia is still mild, the sand piles on the sides (the distortion zones) will not be too thick. It is easier to adapt to the lenses.
• Choose the right lens for your lifestyle
Different sand pile designs (power distribution) on progressive lens is based on different use, such as design for fast focus and design for easy adaptation. Please consult our professional optometrist for details.
• Choose the right frame
A frame is a very important element for optimal vision. Choosing a frame that matches the type of your progressive lenses can greatly improve wearing comfort.
ZEISS SmartLife / Pro Lenses
Discover the difference
It is designed for the visual needs in a connected and on-the-move lifestyle.
Smart Dynamic Optics is based on dynamic visual behavior, allowing smooth vision from near to far across all viewing zones.
Our visual needs evolve as we grow older
ZEISS Luminance Design™ technology provides natural vision at all times, bringing better vision enjoyment.
Always on-the-go or working outside while using a mobile phone.
ZEISS DriveSafe Lenses
Gear up your vision on the road
DuraVision® DriveSafe Coating minimizes the discomfort caused by glares on the road.
ZEISS Luminance Design™ technology optimizes comfortable vision under dim light.
ZEISS DriveSafe Lens Design allows fast refocusing from the road to the dashboard and mirrors.
Frequent driving, especially in low light conditions. Difficult to switch focus between roads, mirrors and dashboard and vision is restricted.