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Ziena Marina Tortoiseshell (SMALL to LARGE fit)

Ziena Marina Tortoiseshell (SMALL to LARGE fit)


The Ziena Marina Tortoiseshell are all new unisex moisture chamber glasses which feature contemporary styling and new user features designed to maximise comfort and protection.

Key features

  • Moisture chamber spectacles with soft-feel silicone shield eye cup
  • New dark tortoiseshell frame design that is on trend with current high street fashions in spectacles
  • Versatile style of glasses with an eye cup that fits a surprisingly wide range of head sizes from small to large
  • Adjustable nose pads and bendable arms enable you to achieve the optimum fit
  • Designed for daily wear for relief of symptoms of dry eyes, hay fever, Bell’s Palsy
  • Ideal for use as computer glasses if you are suffering from dry eyes in an air-conditioned office
  • Also provides protection from wind, dust, and airborne allergens such as pollen
  • Eye cup is made from medical grade silicone material that is easy to keep clean. It is easy to remove and replace the eye cup for cleaning and lens care
  • The purchase price includes your first silicone eye cup, which will need to be replaced periodically (replacements are available from us)
  • You can also purchase an optional black eye cup which reduces glare from the sun around the periphery of your vision. The translucent white and black eye cups are interchangeable
  • Genuine Ziena lenses for optimum vision clarity and maximum UV protection
  • Unisex-styled hand polished frames with spring hinges for a more comfortable fit
  • Supplied with lined leather case and microfibre bag (which also acts as a lens cloth)
  • Designed to be suitable for fitting with prescription lenses (see limits stated below)


In addition from these benefits, most customers find that the protective Ziena silicone eye cup improves protection from the sun's glare compared to normal wraparound sunglasses, especially if you purchase the optional black eye cup.

When wearing Ziena glasses, your field of peripheral vision is slightly reduced. When trying on the product, ensure that you assess whether it is suitable for your intended use.

We do not recommend wearing them for activities such as cycling or driving, where good peripheral vision is essential.

Choice of lens colours

  • Choose the lens colour you want from the menu above - see guidance on Lens colours
  • All lenses provide 100% UV protection, anti-fog coated

Note: if your preferred lens choice is showing as "Sold Out", please email us to check when it will next be in stock.

NEW - Optional BlueByrd blue light blocking lenses

The latest innovation from Ziena Eyewear is a high performance lens called BlueByrd that blocks harmful blue light emitted from electronic devices such as computer screens, tablets, and smartphones.

Read this article to find out why you may need blue light blocking lenses if you use a computer

To order your Ziena glasses with the new lenses, select BlueByrd from the drop down menu.

Recommended limits if fitting prescription lenses

      Frame size

      • Lens dimensions: 53 mm wide x 40 mm deep
      • Medium to Large fit
      • DBL (distance between lenses): 18 mm
      • Frame width: 137 mm

      Optimising the fit of the glasses

      Two simple and inexpensive accessories can help you achieve the best seal around your eyes, improving the moisture chamber properties of the glasses and protection from wind, dust, and pollen.

      Silicone ear grips @ £2.99 per set

      Simply slide the silicone ear grips up the arms of the glasses to rest comfortably and discreetly behind your ears. If the fit of the glasses needs to be tighter, slide them up further to shorten the effective length of the arms.

      silicone ear grips
      Silicone ear grips help you to achieve a better fit of the protective eye cup to your face, thereby improving the wind, dust, and pollen protection and maintaining a more effective moisture chamber effect.

      Toggle adjustable eyewear retainer @ £2.99 per set

      An alternative to silicone ear grips that you may prefer if you don't like the sensation of having a hook around the back of your ears.

      The eyewear retaining strap attaches to the ends of the ear rests. Loop the retainer around your head and adjust the toggle so that you achieve the optimum fit of the glasses.

      eyewear retaining strap

      You can also wear the strap around your neck to hold your glasses when you are not wearing them.

      > Buy an eyewear retainer


      A safe, comfortable, and soothing therapy for MGD, Blepharitis and Dry Eye that uses gentle heat and moisture to unblock your meibomian glands.

      Two ten-minute sessions with your Blephasteam each day improves your tear quality so that your tears don't evaporate as fast, reducing your dry eye symptoms.
      Click here for full details on Blephasteam.

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