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Ziena Seacrest Tortoiseshell (MEDIUM TO LARGE fit)

Ziena Seacrest Tortoiseshell (MEDIUM TO LARGE fit)


  • Ziena Seacrest Asian-fit moisture chamber spectacles with dark tortoiseshell frames
  • Designed to accommodate Asian facial shape, ie: wider, flatter foreheads
  • Soft-feel silicone shield eye cup
  • SharpView clear lenses provide 100% UV protection, anti-fog coated
  • 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
  • Protection from wind, dust, and airborne allergens such as pollen
  • Eye cup is of 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.

Lens colours

Currently only available with Clear lenses.

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

    Recommended limits if fitting prescription lenses

        Frame size

        • Lens dimensions: 53 x 32 mm
        • Distance between lenses (DBL): 16 mm
        • Frame width: 138 mm
        • Medium to Large fit

        Ziena Seacrest frame size

        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

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