Synergy 6005
£ 84 Original price was: £ 84.£ 59Current price is: £ 59.
A unisex square frame in brown/grey or navy/grey. Soft colour fade.
- Size: 54-17-140 mm, lens depth 37 mm
- Frame: Full Rim, Plastic
- Colours: Brown/Grey, Navy/Grey
- Case & microfibre cloth included
- Lenses made in our UK labs
- Free delivery
- Free 30-day returns
About the Synergy 6005
Synergy 6005 Prescription Glasses
A good square frame is the white T-shirt of eyewear: simple, reliable and always in style. The Synergy 6005 is a unisex full-rim plastic square frame, sized 54-17-140, in Brown/Grey or Navy/Grey. You can order it with single vision, varifocal or bifocal lenses made to your prescription. You will find it in our Synergy collection.
Brown/Grey or Navy/Grey?
Brown/Grey. The Brown/Grey version is brown that fades to grey. It goes with almost everything and never draws too much attention.
Navy/Grey. The Navy/Grey version is navy that fades to grey. It is cool, modern and understated, and it suits grey or silver hair especially well.
Each colour is shown in the gallery, so you can compare them side by side before you decide.
Why you will like it
Square lenses add structure to round and oval faces and make features look more defined. The colour fades from darker at the top to lighter at the bottom, which gives the frame depth and keeps it from looking heavy.
Plastic keeps the weight down and allows richer, deeper colour than metal.
It is the kind of frame that works with most outfits, which makes the Synergy 6005 an easy pick for everyday wear. Thinking of a second pair? The Synergy 6005 works well as a backup.
How to wear it
It works with workwear and weekend clothes alike, which is exactly what you want from an everyday frame.
Frame size and fit
| Brand | Synergy |
|---|---|
| Frame | Full Rim, Plastic |
| Colours | Brown/Grey, Navy/Grey |
| Frame size | 54-17-140 mm (lens width, bridge, arm length) |
| Lens depth | 37 mm |
| Designed for | Men, Women |
The 54mm lenses put it at the upper end of medium. The 17mm bridge is average. The 140mm arms are a standard length. Across the lenses and bridge it measures about 125mm.
The easiest way to check is against glasses you already love. Most frames show their size inside the arm; if yours are close to these, you are in safe territory.
Lens options for the Synergy 6005
Your optician’s prescription will usually tell you which of these you need:
- Single vision: one prescription across the whole lens, for distance, reading or the computer.
- Varifocal: near, intermediate and distance in one lens, with no visible line.
- Bifocal: a separate reading segment in the lower part of the lens.
- Ready readers: simple magnification if you just need help with close work.
The 37mm lens depth works with single vision, bifocal and many varifocal lenses. Want lighter lenses? A high-index lens is thinner than standard plastic. Pair it with an anti-reflective coating for less glare when you drive after dark. Spend a lot of time on screens? This frame is also part of our blue light glasses range.
What you will need
Have your prescription to hand before you start. It shows the sphere, cylinder and axis for each eye, and sometimes your PD. If the PD is missing, your optician can give it to you. Then choose your colour and lens type, enter your prescription and add any extras, such as thinner lenses or a coating. You can check everything in your basket before you pay.
From our lab to you
Pick your colour and lenses, add your prescription and PD, and our UK lab cuts your lenses and fits them into your Synergy 6005. Every pair is checked before it leaves us.
Looking after them
Clean your lenses with a microfibre cloth rather than your jumper, keep them in their case when they are in your bag, and do not leave them on a sunny car dashboard. Our lens care guide has more tips.
Your questions, answered
Can I get varifocal lenses in the Synergy 6005?
Yes. The 37mm lens depth gives varifocal lenses enough height for all three vision zones.
Can I wear the Synergy 6005 for driving?
Yes. Single vision or varifocal lenses work well for driving, and an anti-reflective coating helps cut glare from headlights at night.
What size is it?
It is size 54-17-140: 54mm lens width, 17mm bridge and 140mm arms, a medium fit.
Is it unisex?
Yes. It suits men and women.
What does the colour fade look like?
The colour is darker at the top of the frame and becomes lighter towards the bottom.
Do you make the lenses yourselves?
Yes. Every pair is made to order in our UK optical lab, where your lenses are cut to your prescription and fitted into your frame.
Want to compare? See more women’s glasses, men’s glasses and prescription glasses.
Lens prices
Lens types
| Lenses | Single Vision | Bifocal | Varifocal |
|---|---|---|---|
| 1.5 Index (standard) | FREE | ÂŁ40 | ÂŁ69 |
| Transitions | ÂŁ50 | ÂŁ90 | ÂŁ119 |
| Sunglasses tint | ÂŁ10 | ÂŁ50 | ÂŁ75 |
| Blue light filter | ÂŁ30 | ÂŁ70 | ÂŁ99 |
Basic 1.5 Single Vision lenses with anti-reflection coating are included in the frame price.
Thinner lens upgrades
| Lens index | Single Vision | Bifocal | Varifocal |
|---|---|---|---|
| 1.6 + HMC | ÂŁ30 | ÂŁ70 | ÂŁ95 |
| 1.67 + HMC | ÂŁ50 | ÂŁ90 | ÂŁ119 |
| 1.74 + HMC | ÂŁ70 | – | ÂŁ135 |
Higher index lenses are thinner and lighter, and are worth it for stronger prescriptions. All include an HMC coating.
Frame details & size guide
Specifications
| Color | Brown/Grey, Navy/Grey |
|---|---|
| Eye Size | 54 |
| Brand | Synergy |
| Lens Depth | 37 |
| Temple Length | 140 |
| Bridge Size | 17 |
| Type | Optical |
| Material | Plastic |
| Wearer | Men, Women |
| Rim | Full Rim |
How to read frame sizes
The three numbers (for example 48-20-140) are the lens width, the bridge and the arm length in millimetres. Compare them with a pair you already own.

Delivery, returns & what is included
Delivery
- Single Vision: 5-7 working days
- Bifocal: 7-10 working days
- Varifocal: 7-10 working days
- Dispatched within 48 hours by tracked Royal Mail service
Delivery is free. Your estimate for your country is shown at checkout.
Returns & exchanges
Free 30-day returns or exchanges. If your glasses are not right for you, we will make it right.
What is included
- Anti-reflection lenses included
- Case and microfibre cloth
- Lenses made in our UK optical lab
- All frames CE marked
- Worldwide delivery
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