01 · WORKING RANGE
The usable distance range is different
A general progressive lens is intended to cover far through near vision.
An office lens reduces or removes the full-distance zone and reallocates more space to intermediate and near vision.
The maximum usable distance depends on the product and design.
The defining feature of an office lens is not the label 'near progressive' but the working range it is designed to cover. A general-purpose progressive must reserve lens area for distance, intermediate and near vision, while an office design can reduce or remove the full-distance zone and devote more area to near and intermediate tasks. The farthest clear distance still depends on the specific design, prescription and selected working range, so office lenses should not be described as if they all reach the same distance.
02 · INTERMEDIATE
More space can be given to computer distance
The intermediate zone of a general progressive lens may feel relatively narrow because the lens must also provide distance and near zones.
An office design can prioritize this range and may provide a wider useful field for monitor work.
Reducing the distance zone does not make the entire lens wide and distortion-free. Power still changes across the lens, so unwanted astigmatism and other peripheral compromises must be distributed somewhere in the design. The practical difference is that the design can prioritize desk, screen and room distances rather than eliminating the optical trade-offs inherent in a power-varying lens.
03 · NEAR
Near work is considered at the same time
The lower part of the lens is used for closer tasks such as reading documents or a phone.
This makes the design useful when a wearer repeatedly shifts between a monitor and the desk.
A work lens should be matched to the workstation, not chosen in isolation. If the monitor is too high, far off-axis or farther away than the lens was designed to cover, even a generous intermediate zone may require awkward head or trunk movement. The ergonomic benefit appears only when lens design, viewing distance, screen height and habitual gaze direction are compatible.
04 · DISTANCE LIMIT
There are limits for far vision
Some office lenses are designed to reach several metres, but many are not substitutes for a normal distance prescription.
Depending on the design, they may be unsuitable for driving.
An office lens is not automatically a substitute for a general-purpose distance progressive. Some designs extend several metres into a room, but that does not mean they provide unrestricted road-sign or driving vision. The wearer who wants one pair for walking outdoors and driving has a different requirement from someone whose main task is a desk and room environment.
05 · WORK ENVIRONMENT
Start with the actual workplace
A person using a monitor at 60 cm has different needs from someone who frequently looks at a meeting-room screen three metres away.
The real working distances matter more than simply saying that the glasses are for an office.
'I use a computer a lot' is not enough information for accurate dispensing. Measure or estimate the actual screen distance, document distance and farthest required indoor distance, and combine those values with monocular PD, fitting height and a stable frame position. A sophisticated design can still fail the task if the assumed working distances are wrong.
SOLUTION GUIDE
When considering office lenses
They can be a strong candidate.
Compare designs that prioritize intermediate vision.
Check the maximum usable distance of the design.
An office lens may not be appropriate.
GLANOS LENS CHECK
Look at working distance, not the product name
Near distance → monitor distance → indoor far distance → duration of use
Choose the design only after these are known.
CAUTION
Do not treat an office lens as a higher-tier progressive lens
It is a lens for a different task range.
GLANOS EYEWEAR
There is a reason glasses feel uncomfortable.
office lenses · occupational lenses · computer glasses · intermediate vision · progressive lenses · near vision