What Are Anti Fatigue Lenses?

Anti fatigue lenses are a type of enhanced single vision lens that incorporate a subtle accommodative support zone in the lower portion of the lens. This zone provides a slight power boost — typically between +0.60 and +0.88 diopters — that reduces the muscular effort your eyes exert when holding focus during near-vision tasks.

The upper portion of the lens remains your standard distance correction, so your overall vision is unchanged. The support zone simply takes the load off your eyes when they need it most. Anti fatigue lenses look identical to standard single vision lenses — the difference is felt, not seen.

To understand why anti fatigue lenses help, it helps to understand what happens to your eyes during prolonged screen use.

Every time your eyes shift focus from one distance to another — from your screen to your keyboard, or from a document to a colleague across the room — your eye muscles contract and adjust. This process is called accommodation. Over hours of sustained near-vision work, those muscles fatigue in the same way any muscle does after repeated effort. The result is digital eye strain, also known as computer vision syndrome.

Anti fatigue lenses address this at the source. By providing accommodative support in the lower lens, they reduce the effort your eye muscles need to maintain near-vision focus. The result is less eye tension, reduced visual fatigue, and greater comfort during long hours of screen use.

Anti fatigue lenses are not just for people with existing vision problems. They are designed for anyone whose daily routine involves sustained near-vision tasks, including:

Office workers and remote professionals: People who spend the majority of their working day on screens. Digital eye fatigue builds gradually, and anti fatigue lenses help prevent it from accumulating over the course of the day.

Students: Those with heavy reading and study loads. The accommodative support reduces the muscular effort required to hold focus through long reading sessions, helping you stay sharp and comfortable for longer.

Gamers: People who log extended screen sessions. Anti fatigue lenses support comfortable near and intermediate vision, so performance does not suffer as the hours accumulate.

Anyone experiencing early signs of eye strain: Tired eyes, mild headaches after screen time, or slight blurring of text after long periods of reading — most people in this group notice a meaningful improvement with anti fatigue lenses.

They are most effective for people in their 20s to 40s who are beginning to feel the effects of sustained near-vision demand but do not yet need progressive lenses.

This is one of the most common questions people have when researching eye strain relief glasses, and the answer is important because the two technologies solve different problems.

Blue light lenses filter a portion of high-energy visible blue light emitted by digital screens. They target light-related discomfort — the kind that can contribute to headaches, disrupted sleep, and general screen sensitivity.

Anti fatigue lenses target muscle-related discomfort — the kind that comes from the sustained effort of holding near-vision focus for hours at a time.

The two are not competing solutions. They are complementary ones. At Kraywoods, anti fatigue lenses can be combined with blue light blocking coating in a single pair, giving you comprehensive protection against both the muscular and light-related causes of digital eye fatigue. If you spend long hours on screens, combining both is the most complete solution available.

Explore our blue light glasses collection to see frames that can be paired with anti fatigue lenses.

Anti fatigue lenses are often confused with progressive lenses, but they serve very different purposes and are suited to different stages of life.

Progressive lenses provide a full gradient of correction from distance to near vision and are prescribed for people with presbyopia — the age-related condition that makes it difficult to focus at close range, typically beginning in the mid-40s. They are a multifocal solution for a genuine change in the eye's ability to focus. Learn more about what progressive lenses are and how they work.

Anti fatigue lenses are not a treatment for presbyopia. They are designed for people who still have good accommodation ability but are experiencing strain from overusing it. The power boost in an anti fatigue lens is subtle and supportive, not corrective in the way a progressive lens is.

If you are in your 20s or 30s and noticing eye strain from screen use, anti fatigue lenses are almost certainly the right starting point. If you are in your mid-40s or older and finding it increasingly difficult to read small text, a conversation with your optometrist about progressive lenses would be more appropriate.

Here is a summary of how anti fatigue, blue light, and progressive lenses compare.

Yes. Anti fatigue lenses are clinically supported and widely recommended by optometrists for patients experiencing digital eye strain and near-vision fatigue. The accommodative support zone is a well-established optical design that has been refined over many years.

Most wearers notice a meaningful improvement in visual comfort within the first few days of use. The adjustment period is short — typically a few days to a week — because the power difference between zones is subtle. Many people notice the difference most clearly at the end of a long working day, when their eyes feel significantly less tired than usual.

They are not a cure for underlying vision conditions, and they work best when combined with good screen habits like regular breaks and proper screen positioning. But as a lens solution for digital eye fatigue, they are one of the most practical and effective options available.

Yes. Anti fatigue lenses are available with a full prescription, making them an ideal upgrade for anyone already wearing prescription eyeglasses who wants to address screen-related eye strain.

At Kraywoods, ordering anti fatigue prescription glasses is straightforward. Select your preferred frame from our prescription eyeglasses collection, click Select Lenses, and choose Anti Fatigue as your lens type. You can upload your prescription as a PDF, JPG, or PNG, or enter your details manually. Our in-house certified optician at our Canadian optical lab will review your prescription and craft your lenses to your exact specifications.

All Kraywoods anti fatigue lenses include free anti-reflective coating and UV protection as standard, and every order comes with free worldwide shipping and a 12-month warranty.

Browse our anti fatigue lenses collection to find your pair.

Anti fatigue lenses are one of the most practical solutions available for digital eye fatigue. They reduce the muscular effort behind end-of-day eye strain without the adjustment period associated with progressive lenses, and they look identical to standard single vision lenses. If you spend several hours a day on screens and feel the effects by evening, they are worth considering — browse our anti fatigue lenses collection to find your pair, or combine them with blue light blocking for the most complete digital eye protection available.

Anti fatigue lenses are enhanced single vision lenses with a subtle accommodative support zone built into the lower portion of the lens. This zone reduces the muscular effort your eyes exert during prolonged near-vision tasks like screen use, reading, and studying, helping to prevent digital eye strain and visual fatigue.

For anyone who spends several hours a day on screens or near-vision tasks, anti fatigue lenses are absolutely worth it. They offer meaningful eye strain relief without the adjustment period associated with progressive lenses, and they look identical to standard single vision lenses.

Blue light lenses filter high-energy visible light from screens to reduce light-related discomfort. Anti fatigue lenses reduce the muscular effort of sustained near-vision focus, targeting eye strain. The two are complementary and can be combined in a single pair.

No — anti fatigue lenses are designed to reduce headaches caused by eye strain, not cause them. Some wearers experience mild headaches during the first few days as their eyes adapt, which typically resolves quickly. For prescription-specific questions, contact customercare@kraywoods.com.

Most people adjust within a few days to a week. Because the power difference between zones is subtle, the transition is significantly easier than adjusting to progressive lenses, and many wearers notice improved comfort almost immediately.

Not exactly. Computer glasses is a broad term covering any lens designed to improve screen comfort. Anti fatigue lenses are a specific lens type with a built-in accommodative support zone, and can be combined with blue light blocking at Kraywoods for a complete computer glasses solution.

Anti fatigue lenses are available with or without a prescription. If you have a prescription, your anti fatigue lenses will be made to your exact correction with the accommodative support zone added. If you do not have a prescription, speak to your optometrist about whether non-prescription anti fatigue lenses are suitable for your situation.