Synergy 6051
£ 84 Original price was: £ 84.£ 59Current price is: £ 59.
A unisex rounded square frame in brown or teal. Light, translucent finish.
- Size: 52-19-140 mm, lens depth 43 mm
- Frame: Full Rim, Plastic
- Colours: Brown, Teal
- Case & microfibre cloth included
- Lenses made in our UK labs
- Free delivery
- Free 30-day returns
About the Synergy 6051
Synergy 6051 Prescription Glasses
Some frames just suit almost everyone. Rounded squares are high on that list. The Synergy 6051 is a unisex full-rim plastic rounded square frame, sized 52-19-140, in Brown or Teal. You can order it with single vision, varifocal or bifocal lenses made to your prescription. It is part of our Synergy collection.
Choosing your Synergy 6051 colour
Brown. Brown is a warm, earthy brown. It is softer than black and suits brown, auburn and red hair.
Teal. In Teal, the frame is translucent teal. It feels fresh and a little bit different, which is exactly why people notice it.
Still torn? Think about what you wear on an ordinary weekday, not on a night out. That is the colour you will be happiest with.
Shape and style
The rounded corners and straight lines balance most face shapes, especially oval, square and heart-shaped faces. Because the colour is see-through, the frame has a light, glowing look.
The thicker frame front gives it real presence on the face. 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 6051 an easy pick for everyday wear.
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, Teal |
| Frame size | 52-19-140 mm (lens width, bridge, arm length) |
| Lens depth | 43 mm |
| Designed for | Men, Women |
The 52mm lenses make this a medium frame that suits most faces. The 19mm bridge is a little wider than average. The 140mm arms are a standard length. Across the lenses and bridge it measures about 123mm.
Not sure about sizing? Compare these numbers with the ones on the inside arm of a pair that fits you well. A difference of two or three millimetres or less usually means a similar fit.
Lens options for the Synergy 6051
Choose the lens type that suits how you use your glasses:
- 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.
At 43mm, the lens depth is deeper than most frames in our range, so varifocal lenses have lots of room. If your prescription is high, a high-index lens keeps things thin. An anti-reflective, scratch-resistant coating is a sensible extra for everyday wear. 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.
Made for you in our UK lab
Pick your colour and lenses, add your prescription and PD, and our UK lab cuts your lenses and fits them into your Synergy 6051. Every pair is checked before it leaves us.
A little care goes a long way
Rinse off any grit before you wipe, dry the lenses with a clean microfibre cloth, and take your glasses off with both hands so the arms stay aligned. See our lens care guide for more.
Questions we often get
Can I get varifocal lenses in the Synergy 6051?
Yes. The 43mm lens depth gives varifocal lenses enough height for all three vision zones.
Can I use the Synergy 6051 as computer glasses?
Yes. Single vision lenses set to your screen distance, or varifocals if you also need distance vision, both work well for desk work.
What size is it?
It is size 52-19-140: 52mm lens width, 19mm bridge and 140mm arms, a medium fit.
Is it unisex?
Yes. It suits men and women.
Where are my lenses made?
In our UK optical lab. They are cut to your prescription, fitted into your frame and checked before they are sent out.
Not quite the one? Take a look at our 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, Teal |
|---|---|
| Eye Size | 52 |
| Brand | Synergy |
| Lens Depth | 43 |
| Temple Length | 140 |
| Bridge Size | 19 |
| 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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