Reading Glasses vs Intermediate Lenses: What’s the Difference?
If you’re struggling with close-up vision, you’ve probably come across both reading glasses and intermediate lenses — but the difference isn’t always clear.
Choosing the wrong one can lead to eye strain, poor posture, and constant adjustments throughout the day.
In this guide, we’ll break it down simply so you can choose the right lenses based on how you actually use your vision.
What Are Reading Glasses?
Reading glasses are designed for close-up vision only, typically around 30–40cm from your eyes.
They’re ideal for:
Reading books or newspapers
Looking at your phone
Close-up detail work
Anything beyond that distance will appear blurred.
What Are Intermediate Lenses?
Intermediate lenses (often called computer glasses) are designed for mid-range vision, usually around 60–100cm.
They’re best for:
Working on a computer or laptop
Viewing multiple screens at a desk
General desk-based tasks
They’re not suitable for very close reading, and they won’t correct distance vision.
Reading vs Intermediate Lenses – Key Difference
The difference comes down to distance:
Reading lenses → Close-up only (30–40cm)
Intermediate lenses → Slightly further away (60–100cm)
If you use reading glasses for a computer, you’ll often find yourself leaning forward or straining your eyes.
If you use intermediate lenses for reading, you may get by — but smaller text can feel slightly out of focus.
Which One Do You Need?
It depends on how you use your glasses day-to-day:
Mostly reading / phone use → Reading lenses
Mostly computer / desk work → Intermediate lenses
A mix of both → Occupational lenses may be a better option
This is one of the most common mistakes we see — especially when ordering online.
Can One Pair Do Both?
Not exactly — each lens is designed for a specific distance.
If you regularly switch between:
Reading
Computer work
Distance vision
You’ll likely need either:
Multiple pairs
Varifocal lenses (all distances in one lens)
Occupational lenses (reading + intermediate combined)
Need Help Choosing?
At The Glasses Guys, we specialise in replacing lenses in your existing frames — including reading, intermediate, and occupational lenses.
If you’re unsure, you can place your order and we’ll contact you to confirm everything before production.
👉 This ensures you get the right lenses based on how you actually use your glasses — not just your prescription.
Final Thoughts
Reading lenses = close-up only
Intermediate lenses = computer / mid-distance
Occupational lenses = combine reading and intermediate
Choosing the right lenses comes down to your daily habits — not just your prescription.
❓ Frequently Asked Questions
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Intermediate lenses are used for computer work and mid-range vision, typically between 60–100cm.
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You can, but it often causes eye strain as the distance is too far for reading lenses.
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Yes, intermediate lenses are commonly referred to as computer glasses.
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It depends on your usage — reading for close work, intermediate for screens and desk tasks.
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Yes, occupational or varifocal lenses can combine multiple distances in one lens.
